Physical Science

________ waves travel in straight waves.

• Light
• sound
• heat

Who was the inventor of the telescope?

• Hans Lippershey

It is where the star, the Sun and other heavenly bodies are embedded

• Celestial Sphere

_______ is measured from crest to crest or trough to trough of a wave.

• Wavelength

if a compound has 1 zinc atom and 2 chlorine atoms what is the compound's chemical formula?

• ZnCI2

This is the forces that all molecules have on each other but this IMFA are evident in non-polar molecules.

• Ion-Dipole Forces
• Dipole-Dipole Forces
• Hydrogen Bonding
• Dispersion Forces

Two or more elements that combine are called a ___________.

• Compound
• Chemical bond
• Ionic bond
• Covalent bond

They especially focused on finding minerals, plants and substances that could prolong life.

• Egyptian
• Chinese
• Western Alchemy
• Mesopotamia

He designed the first periodic table and arranged into an interval of eight elements[Blank].

• Dmitri Mendeleev

What happens when a force becomes unbalanced?

• Nothing
• Explosion
• Silence
• Movement

The higher viscosity, the faster the pouring.

• True
• False

There are several forms of energy: light, heat (thermal), mechanical, sound, electrical, and chemical

Which way a dipole arrow is pointed to?

• A more positively charged atom.
• An atom that is least electronegative.
• An atom that is more electronegative.
• All of the above.

How elements heavier than iron are formed?

• Solar nucleosynthesis
• Big bang nucleosynthesis
• Stellar nucleosynthesis
• Supernova nucleosynthesis

Arrange the following in increasing electronegativity: Li, F, Na,C[Blank]?

• F, C, Li, Na

The substance that the solute dissolves into is a ___________.

• solvent
• solute
• water glass
• solution

According to the kinetic theory, all matter is composed of __________.

• Solid material
• Waves
• Plasma
• Particles

Draw a force Diagram of Forces 2N to the left, 3 N to the right, 5 N up and 4 N down

polar molecule

• a molecule that has slight positive and negative charges

John walks from the point A to B to C.What is the displacement?

• 5 m

The ________ is a star cluster that is visible to the unaided eye.

• PLEIADES

what happens to the charge on atoms when they form a polar covalent bond?

• making some partial electric charges, the atom with the greater attraction for electrons has a partial negative charge, the other atom has a partial positive charge which has a relatively less attraction for electrons
• it makes them all electric charges
• making all of them them have an electric charge the atom with the lesser attraction for electrons has a partial positive charge, the other atom has a partial negative charge and which has a relatively greater attraction for electrons
• it forms a polar ionic bond

In this era, all of the universe’s ingredients were present, however universe is too hot and dense to create subatomic particles to form.

• Quark
• Inflationary
• Grand Unified
• Planck

John drove South 120 km at 60 km/h and then East 150 km at 50 km/h. Determine the average speed for the whole journey?

There is a huge number of free neutrons available, so the time to capture a neutron is much shorter than the decay time.

• R-process
• S -process

He believed that there are smallest part of matter and can be further divided infinitely into smaller pieces.

• Aristotle
• Democritus
• Empedocles
• Galileo Galilei

According the Newton's Second Law, what factors affect force?

• speed and power
• shape and material
• mass and acceleration
• mass and weight

What charge of an atom can be observed in a polar molecule?

• Two positively charged atoms
• Two negatively charged atoms
• Neutral atom
• One positively charged and one negatively charged atom

He arranged the elements in increasing atomic mass.

• Dmitri Mendelev
• John Newlands
• Glen Seaborg
• Henry Moseley

Liquids can form spherical elastic film to minimize surface area. What intermolecular forces are responsible for the formation of this film in water?

• H -bonding
• ion-dipole
• dispersion forces
• dipole-dipole

______________ is every were

• Matter

He suggested that Earth was moving around the Sun, but Aristotle and most of the ancient Greek scholars rejected this idea.

• Aristarchus of Samos

How many valence electrons are there in Iodine?

• 7

Inertia says that the heavier an object is, the _________ it is to move.

• easier
• harder
• smarter
• more important

If I drive from Pantukan to Mati City at 40 miles per hour and then from Mati City to Pantukan at 60 miles per hour, what is my average speed for the whole journey?[Blank]

• 48 mph

You measure Mass with ___________

• Balance

ionic bond

• a chemical bond formed between oppositely charged ions
• chemical bond in which two atoms share one or more pairs of valence electrons
• substances that undergo a chemical change
• difference between action between molecules of the same substance that they tend to stay together

He was the one who he stated that everything is made up of four eternal and unchanging kinds of matter

• Anaxagoras
• Democritus
• Plato
• Empedocles

A Greek philosopher who says that matter is from 4 elements namely fire, air, water and earth.

• Aristotle
• Empedocles
• Democritus
• Galileo Galilei

_________________occur when physical properties of a substance or object change.

• Physical changes
• Chemical changes

Where is the greatest kinetic energy?

• A
• B
• C
• D

To determine the acceleration rate of an object, you must calculate the change in speed during each unit of

• Velocity
• Time
• Motion
• Deceleration

A car travels 22 km south, 12 km west, and 14 km north in half an hour.What is the final displacement of the car?

• 4 km
• 7 km
• 6 km
• 8 km

The rate at which velocity changes is called

• Instantaneous speed
• Direction
• Acceleration
• Motion

Determine if the proponent believed in geocentric or heliocentric model.ARISTARCHUS OF SAMOS

• geocentric model
• heliocentric model

It is a member of a family of an element that all have the same number of protons but different numbers of neutrons

• Redshift
• Doppler
• wavelength
• Isotopes

The opposite of evaporation is __________.

• Condensation
• Convection
• Radiation
• Conduction

25% of the elements are blank while others are 2%.

• Hydrogen
• Uranium
• Helium
• Oxygen

In this time, the universe's temperature cools down enough for electron to attached to nuclei. It is also the time where the second element formed.

• Hadron
• Lepton & Nuclear
• Atomic
• Galactic

Which of following mirror can not form real images -------------

• plane
• convex
• both plane and convex
• concave

Francis traveled 360 km at an average speed of 80km/h. Nikka took 1.5 hours more to complete the same amount of distance. What was Nikka's average speed for the whole journey?

• 60km/h

What is Newton's Third Law?

• F = ma
• For every action there is an equal and opposite reaction.
• Cheaters never prosper.
• Don't jaywalk.

2-5. Enumerate the four (4) macromolecules

• Carbohydrates Lipids Protein Nucleic Acids

He was considered the last & the greatest astronomer prior to the invention of the telescope

• Tycho- Brahe

He used the Redshift of light from the galaxies to calculate the velocities and distances of these galaxies from the Earth.

• Edwin Hubble

The particles of matter making up a _______ are tightly packed together.

• Solid
• Liquid
• Gas
• Rock

In 1910, Slipher & Wirtz measured the wavelength of light from spiral nebulae it Explains that when wavelength of light increases due to the distance it travels increases. What is it?

• Redshift

Blank is the most abundant element.

• Hydrogen
• Uranium
• Helium
• Oxygen

It refers to the actual measure of the difference between initial positions up to the final position.[Blank]

• Displacement

What do you call the relative ability of a bonded atom to attract shared electron pairs?

• Ionization energy
• Electronegativity

_________ energy is produced when objects rub against one another

• Heat
• Light
• Sound

What is Newton's Second Law?

• Force = Mass x Acceleration ( F = ma )
• Equal and Opposite
• The Law Of Inertia
• Everybody loves the beach in Summer.

What chemical families is being describe if it has four valence electrons?

• Nitrogen Family
• Alkali Family
• Boron Family
• Carbon Family

He was a Greek philosopher of nature remembered for his cosmology and for his discovery of the true cause of eclipses

• Anaxagoras
• Democritus
• Plato
• Empedocles

Speed equals distance divided by

• Time
• Velocity
• Size
• Motion

(how much space something takes up),

• volume
• Mass
• Solid

________________ occur when the chemical make up of a substance changes. For example, a piece of wood is burned. The chemical make up changes from wood to ashes.

• Chemical changes
• Physical Change

The supporting force exerted by a fluid on an object immersed in it is called __________.

• Lift
• Denisty
• Buoyant force
• Viscosity

A mountain climbing expedition establishes a base camp and two intermediate camps, A and B. Camp A is 11,200 m east of and 3,200 m above base camp. Camp B is 8400 m east of and 1700 m higher than Camp A. Determine the displacement between base camp and Camp B.

• 15 642 m
• 18 240 m
• 20 200 m
• 24 520 m

Aside from an extremely high-temperature source, what is the other requirement for a supernova?

• electrons
• protons
• neutrons
• gravity

The building blocks of all matter.

• atom
• neutron
• electron
• proton

This is the force on an object due to gravity.

• force applied
• force normal
• force weight
• force friction

12. What element is generally used in common bleaches in household products?

• Chlorine
• Benzene
• Sodium
• Iron

The substance that dissolves in a solution is called a _____________.

• solvent
• solution
• solute
• mixture

His experiments on beryllium and alpha particles showed the existence of the third subatomic particle, the neutron, which is uncharged and located in the nucleus.

• Ernest Rutherford
• James Chadwick
• Neils Bohr
• John Dalton

Thermal energy is the __________ of the particles in a material.

• Potential energy
• Total energy
• Temperature
• Average kinetic energy

Which of the following mirrors form virtual images --

• plane
• concave
• convex
• all the above

Distance (height) and mass determine the amount of _________ energy in an object.

• Kinetic
• Potential
• Solar
• Thermal

If you put a solid in at 32 degrees fare in and height, will it freeze?

• yes
• no

What type of bond is being formed between Li and O[Blank]?

• Ionic

Determine if the proponent believed in geocentric or heliocentric model.ARISTOTLE

• geocentric model
• heliocentric model

This type of IMFA only acts between polar molecules.

• Ion-Dipole Forces
• Dipole-Dipole Forces
• Hydrogen Bonding
• Dispersion Forces

What chemical family is being described when it contains 3 valence electrons, usually combined with oxygen and often used for glass wares and cleaning compound such as borax?

This civilization perfected the use of iron & steel and were known for manufacturing dyes, glass, cements, solutions for textiles and soap

• Egyptian
• Mesopotamia
• Arab/Muslim
• Indian

This process happens in massive stars which convert Hydrogen into Helium.

• Proton-proton chain
• CNO cycle
• Alpha ladder process
• Tri- alpha process

Can a solid melt at 0 degrees celsius

• yes
• no

Identify the predominant intermolecular forces present between Carbon dioxide (CO2) and methane (CH4).

• H -bonding
• ion-dipole
• London dispersion
• dipole-dipole

Is the change in velocity in particular time interval?

• Acceleration

7. It is when a reaction involving the rearrangement of atoms occurs

• Products
• Substances
• Chemistry
• Chemical Change

He asserted that Earth spins on its axis every day & revolves around the Sun.

• Copernicus

They assigned certain symbols to match metals with the heavenly bodies such as the Sun and Moon.

• Chinese
• Arabs & Muslims
• Egyptians
• Mesopotamians

What are the 2 major stages happened after big bang explosion?

• Planck & Inflationary
• Electroweak & Nuclear
• Radiation & Matter
• Galactic & Stellar

why do ionic compounds include at least one metal in one nonmetal?

• because ionic bonds are formed between a cation, which is usually a metal,and an anion, which is usually a nonmetal

They adapted techniques from the Mesopotamians and perfected the use of bronze, dye and glass that the Greeks later copied

• Egyptian
• Chinese
• Western Alchemy
• Mesopotamia

What is Newton's First Law?

• Equal and Opposite...
• F = ma
• An object in motion will stay in motion and obect at rest will stay at rest - unless acted upon by an outside force.
• Don't park in a fire lane.

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This ancient civilization can be found near 2 rivers. They made use of other materials such as dyes, glass, paints & perfumes

• Egyptian
• Mesopotamia
• Arabs/ Muslims
• Indians

What is the building block of all elements (except for hydrogen) ?

• Helium
• Lithium
• Carbon
• Iron

Where is potential energy the greatest in the roller coaster?

• A
• B
• C
• D

Which of the following intermolecular forces of attraction is considered the weakest?

• H -bonding
• ion-dipole
• dispersion forces
• dipole-dipole

Changing direction is an example of a kind of

• Acceleration
• Speed
• Velocity
• Constant rate

He performed experiments using his positive ray tube containing tubes with different gases at very low pressures with perforated tube and concluded that the positively charged particle in the atom is called proton.

• Neils Bohr
• Joseph John Thompson
• Eugene Goldstein
• Henry Moseley

He was one of the greatest Greek philosophers. He was the founder of Academy. He was the writer of the Republic and proponent of Platonic method of questioning

• Anaxagoras
• Democritus
• Plato
• Empedocles

__________________ of solids can be separated based on property or magnetism. For example, chex mix can be separated, salad can be separated, a jar of random nails and screws can be separated

• Mixtures
• Solutions

Alchemy is came from arabic/ greek word _____means ______

• alkimiya means the art of transmuting

A car travels 22 km south, 12 km west, and 14 km north in half an hour.What is the average velocity of the car?

• 1.5 m/s
• 2.5 m/s
• 3 m/s
• 3.5 m/s

When you know both the speed and direction of an object's motion, you know the

• Average speed of the object
• Acceleration of the object
• Distance the object has traveled
• Velocity of the object

A bicyclist travels 30 kilometers in two hours, her average speed is

• 30 km/h
• 60 km/h
• 15 km/h
• 2 km/h

Produced elements up to Fe.

• The Big Bang nucleosynthesis
• The Stellar nucleosynthesis
• The Supernova nucleosynthesis

Compute for Alpha decay

• W

What physical change of matter keeps form

• Liquid
• solid
• gas

Which of the following situation describes capillarity in liquid?

• Marble easily plunges into the water.
• Liquid mercury rises easily in a narrow tube.
• Acetone easily flows in a sliding direction.
• Water evaporates after a day-long exposure to sunlight.

Which of the following best describes particles in a solid?

• Molecules slide past each other; sample takes shape of container
• No attractive forces between particles
• Fills whatever container it is in
• Particles tightly packed together

A charge particle that orbits the nucleus.

• atom
• neutron
• electron
• proton

The lower the viscosity, the slower the pouring.

• True
• False

The first three elements are blank.

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A car accelerates from rest to a speed of 36 km/h in 20 seconds. What is the acceleration of the car in m/s2?

There is more gravity on the _________

• Earth

Which of the following is NOT part of Galileo's discoveries using his telescope?

• lunar craters
• sunspot
• free fall
• moons of Jupiter

Through their unexpected discovery, they supported the NASA'S project "Echo". They concluded that the noise CMB radiation the remains energy created after the expansion

• Socrates & Democritus
• Aristotle & Plato
• Wilson & Penzias
• Anaxagoras & Empedocles

What physical change of matter scatters

• Liquid
• solid
• gas

Stellar nucleosynthesis stops at the element of iron because there are blank in their nuclei.

• not enough energy
• not enough protons
• not enough electrons
• not enough neutrons

A particle which has positive charge

• Electrons
• Neutrons
• Protons
• ions

What are the four ways you can change the state of matter?

• burning, cooking, steaming, and condensation
• melting, burning, vaporization, and freezing
• melting, freezing, vaporization, and condensation
• vaporization, melting, cooking, and freezing

During this time universe is rapidly expanded from the size of an atom to a size of a fruit. Also during this time, the universe is super-hot to the point that it created with electron and other particles.

• Quark
• Inflationary
• Grand Unified
• Planck

(measure of amount of space – similar to weight),

• mass
• Volume
• Color

They enriched not only the practice but also the literature of chemistry. They also translated the practices and Aristotelian thinking of the Greeks and wrote extensively on how metals can be purified.

• Chinese
• Arabs & muslims
• Egyptians
• Mesopotamians

adhesion

• the force of attraction between molecules of different substances that they tend to stick together

This civilization learned to use acids such as nitric & sulfuric acids as well as nitro-hydrochloric acid

• Egyptian
• Mesopotamia
• Arab/Muslim
• Indian

what is responsible for water being a liquid at room temperature as well as for water's properties of cohesion and adhesion?

• water's polarity and hydrogen bonding

Atoms are made up of the following parts: Nucleus, ______, Neutrons, and Electrons

• protons

Determine if the proponent believed in geocentric or heliocentric model.NICOLAUS COPERNICUS

• geocentric model
• heliocentric model

__________ is the ability of a fluid to exert an upward force on an object immersed in it.

• Viscosity
• Thermal expansion
• Buoyancy
• Vaporization

The following mirror is used as shaving mirror -----

• concave
• convex
• plane
• none of the above

There are three different states of matter: solid, ______, and gas

• liquid

When does condensation happen?

• Condensation happens when energy is removed gas turns to a liquid or liquid turns to a solid
• Condensation happens when something burns

According to Charles's law, at a constant pressure, if the temperature of a gas __________, the volume __________ .

• Increases; increases
• Decreases; decreases
• Increases; decreases
• Decreases; increases

R = --------

• 2f
• f
• f/2
• none of above

Images that can not be caught on screen are known as --------------------------

• virtual images

It refers to an energy released or required when electrons are added to an atom in the gaseous phase[Blank].

• Electron Affinity

Determine if the proponent believed in geocentric or heliocentric model.CLAUDIUS PTOLEMAEUS

• geocentric model
• heliocentric model

products

• the force of attraction between molecules of different substances to that they tend to stick together
• new substances formed as a result of a chemical change
• the force of attraction between molecules of the same substance that they tend to stay together
• a molecule that has slight positive and negative charges due to an imbalance in the way electrons are shared

Arrange the following in decreasing atomic size: S, Ca, F, Rb, Si[Blank]?

• Rb, Ca, Si, S, F

What physical change of matter scatters a little

• Liquid
• solid
• gas

A place or oject used for comparison to determine if something is in motion is called

• A position
• A reference point
• A constant
• Velocity

Early Babylonians believed that Earth was spherical.

• TRUE
• FALSE

He adopted the Pythagorean view of the motion of the heavenly bodies as combination of circular motion about Earth.

• Pythagoras

There is less gravity on the ________

• Moon

Produced the light elements – H, He and few Li.

• The Big Bang nucleosynthesis
• The Stellar nucleosynthesis
• The Supernova nucleosynthesis

Blank is about the fusion of particles to form elements beryllium (Be-4) to iron (Fe-26).

• The Big Bang nucleosynthesis
• The Stellar nucleosynthesis
• The Supernova nucleosynthesis

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Blank elements are least abundant.

• Heavier
• Lighter

Heavier elements than uranium are called transuranium elements, which are also called blank Elements.

• Synthetic
• Asynthetic
• Cynthetic

The moving particles in an object have __________ energy.

• Decreasing
• Increasing
• Kinetic
• Potential

8. A theory whose premise is : molecules have to collide to react.

• Theory of Evolution
• Collision Theory
• Constitutional Theory
• Lewis Theory

Describes as a violent explosion of the star that released a huge amount of nuclear energy.

• Big bang
• Radioactivity
• Nuclear Reaction
• Supernova

He arranged the elements and greatly help us today with the Periodic Table.

• John Dalton
• Dmitry Mendeleev
• Joseph Proust
• Robert Millikan

What causes a balloon to remain inflated?

• The temperature of the air inside the balloon gradually decreases.
• Air particles collide with the walls of the balloon.
• The walls of the balloon gradually compress the gas inside.
• Air particles continue to enter through the balloon's walls.

describe two ways in an element can achieve a stable electron configuration

• by either transferring electrons or by sharing electrons

This IMFA is observed when hydrogen attracted to fluorine, oxygen and nitrogen, in which bond produces a very strong dipole force.

• Ion-Dipole Forces
• Dipole-Dipole Forces
• Hydrogen Bonding
• Dispersion Forces

A driver slows down from 45 m/s to 20 m/s in 5 s. What is his acceleration?

• 5 m/s^2
• -5 m/s^2
• 25 m/s
• -25 m/s^2

Gravity is the greatest where?

• The Earth
• The Moon
• Jupiter
• The Sun

Venus is considered the second brightest in the sky.

• TRUE
• FALSE

How do you measure Matter?

What is the ultimate fate of our Sun?

• to become a planetary nebula
• to become a white dwarf
• to become a red giant star
• to become a massive star

__________ is the ability of a substance to dissolve in another substance.

• mixture
• solubility
• chemical reaction
• chemical formula

73% blank makes up the majority of the elements found in the universe.

• Hydrogen
• Uranium
• Helium
• Oxygen

If a plane travels 48,000 m in 80 s, how fast is it going?

• 3840000 m/s
• 600 m/s
• 80 m/s
• 60 m/s

calcium carbonate is an ionic substance commonly called "chalk". If this molecule has one calcium atom (Ca), one carbon atom (C), and three oxygen atoms (O), what is the chemical formula?

• CaCO3

How to find the Charge of an Ion?

Concave mirror form --------------------- and ---------------- images.

• real and virtual

The structure of an atom has important features. What are those? i. Some of these particles carry an electrical charge ii. Matter consists of indivisible particles iii. Atoms consists of smaller particles. iv. Atoms of the same element have identical set of properties.

• I, ii and iii
• Ii and iv
• I and iii
• ii only

Water is classified as a polar molecule.

• True
• False

Average speed is

• Equivalent to velocity
• The rate at which an object is moving at a given instant
• The rate at which a slope changes
• The total distance traveled divided by the total time

A theory that says the universe is developed from an infinitely, tiny, dense point that expanded rapidly.

• BIG BANG THEORY

John walks from the point A to B to C. What does the distance he travels?

• 9 m
• 7 m
• 13 m
• 5m

__________ is the thermal energy that flows from a material with a higher temperature to one with a lower temperature.

• Kinetic energy
• Work
• Heat
• Potential energy

What is the relationship of environment to the community?

Matter s is_____________ that takes up space and has mass! ________________ is matter! The smallest part of all matter is the atom!

• Anything & everything

Images that can be caught on screen are known as -------------------

• real images

The center of the deferent is called _______.

• eccentric

In this Epoch, the first element were formed by fusion of proton & neutron

• Lepton & Nuclear
• Quark & Electroweak
• Galactic & Stellar
• Inflationary & Planck

Who developed the Law of Triads?

• Alexander Beguyer de Chancourtois
• Dmitri Mendelev
• Johann Wolfgang Dobereiner
• John Newlands

Physical science is the study of _______ and _________.

• space and volume
• matter and energy
• temperature and time
• matter and space

According to Pascal, pressure applied to a fluid __________ .

• Increases as it moves through the fluid
• Fluctuates as it is transmitted throughout the fluid
• Is transmitted unchanged throughout the fluid
• Decreases as it moves through the fluid

Which of the following mirror is used as rear-view mirror ---

• concave
• convex
• plane
• none of the above

A ____________ can be used to show how two elements share electrons in covalent bonding

• Chemical reactions
• Proton dot diagram
• Electron dot diagram
• Chemical formula

___________spread out to fill the space they are in and move rapidly.

• Gases
• Liquid
• Solid

Matter can be described by it’s

• physical properties
• Chemical physical properties
• Gas physical properties:

He proposed that Earth is a disk floating on water.

• Thales of Miletus

Refrigerators use the process of __________ to remove heat from the interiors.

• Combustion
• Compression
• Sublimation
• Evaporation

13 - 15. Give 3 examples or personal care products used to enhance the appearance of human body

A ________________ is a way to describe a chemical reaction using chemical formula.

• Reactant
• Chemical properties
• Chemical equation
• Mixture

Weight equals

• Mass x time
• time x weight
• Gravity x friction
• Mass x gravity

It is referring to the phenomenon where the wavelength of the radiation from an object increases.

• Redshift
• Electroweak
• planck
• superforce

1. The attractive forces present between molecules.

• Intermolecular Forces
• Normal Force
• Air Force
• Atomic Force

Which of the following analogy is TRUE?

• Big Bang nucleosynthesis: heavier elements starting from iron.
• Stellar nucleosynthesis: lighter elements starting from iron.
• Supernova: heavier elements starting from iron.
• Big Bang nucleosynthesis: lighter elements up to iron.

10. Give one way on how do humans harness energy

• Fossil Fuels

Which of the following intermolecular forces of attraction is arranged from strongest to weakest?

• H- bonding- dipole-dipole- London forces
• London forces- dipole-dipole- H-bonding
• Dipole-dipole- London forces- H-bonding
• H-bonding- London Forces- dipole-dipole

Image: https://quizizz.com/media/resource/gs/quizizz-media/quizzes/20af5b90-9d86-42fd-86f4-d10f44eb7eb3?w=200&h=200

• MOLAR MASS Fe 2 O3 = 159.7 g/mol Fe2 O3

Compute for alpha decay

• Pb

It is formed mainly from plants subjected to high temperature and pressure for millions of years

• Fossil Fuel

It is an energy released or required when electrons are added to an atom in the gaseous phase.

• Electronegativity
• Electron affinity
• Atomic size
• ionization energy

It is formed when electrons are removed or added to a neutral atom.

how many atoms of each element are in the compound AgNO3? (Ag=silver, N=nitrogen, O=oxygen)

• 1 silver, 1 nitrogen, 3 oxygen

Matter can make a physical change

• True
• False

Arrange the following in decreasing electronegativity: Al, Cl, P, Mg[Blank]

• Mg, Al, P, Cl

one of the most common household cleaners is ammonia, which has a chemical formula of NH3. how many atoms are in the molecule of ammonia?

• four
• three
• two
• five

He was a student of Socrates & teacher of Aristotle. He wrote The Republic. He also expanded Empedocles' theory

• Anaxagoras
• Plato
• Democritus
• Aristotle

_________ have a definite shape (like an ice cube).

• Solids
• Liquids
• Gases

He was the first to use the telescope to observe astronomical phenomena in 1609.

• Galileo Galilei

Which of these is an example of deceleration?

• A bird taking off for flight
• A roller coaster moving down a steep hill
• A car approaching a red light
• An airplane following a straight path

Heavier elements than uranium are called blank.

• transuranium elements
• uranium elements
• supernova elements

A __________ is a mixture that looks like a single substance and has the same properties throughout.

• jello
• solvent
• solute
• solution

cohesion

• the force of attraction between molecules of different substances that they tend to stick together
• the force of attraction between molecules of the same substance that they tend to stay together
• numbers that appear before a formula in a chemical equation
• a chemical bond in which two atoms share one or more pairs of valence electrons

________ are considered the building blocks of matter

• Nucleus
• Elements
• Particles
• Atoms

Orion is represented by ______ , god of death, rebirth, and afterlife.

• Osiris

Look at the picture given below. An object moves from point A through B, C, D, E and stops at point F.Find final displacement[Blank]. Find distance taken from point A to D[Blank].

There is a small number of free neutrons available, so the time to capture a neutron is much longer than the decay time.

• R-process
• S -process

___________ can change things physically by causing a change in state from solid, to liquid, to gas

• Heat

You way more on Earth the than the Moon

• True
• False

If the particles in an object begin to move more quickly, their average kinetic energy __________ and the object's temperature __________.

• Decreases, rises
• Increases, falls
• Increases, rises
• Decreases, falls

He discovered & explain the true cause of eclipses

• Empedocles
• Plato
• Democritus
• Anaxagoras

What do you call the positively charged electron?

• atom
• positron
• neutron
• proton

On a graph showing distance versus time, a horizontal line represents an object that is

• Moving at a constant speed
• Increasing its speed
• Decreasing its speed
• Not moving at all

A Russian chemist organized all the known elements into what is known as the __________________________.

• Periodic table of dogs
• Periodic table of mass
• Periodic table of elements
• Periodic table of families

Changing state is an object

• True
• False

suppose you are able to count the molecules in a substance. Which would have more molecules, one liter of liquid water or 1 liter of ice? Why?

• water is denser than ice, so liter of water weighs more than a liter of ice, once the liter of water freezes, it's volume is greater than 1 liter. molecules are farther apart in ice molecules, and denser

It is the type of bond happened between a metal and nonmetal atoms[Blank].

• Covalent

Why do average stars have a longer life span than massive stars?

• They have more fuel to burn.
• They have less fuel to burn.
• They burn their fuel at a faster rate.
• They burn their fuel at a slower rate.

Which of the following mirrors can form only virtual images ----

• convex
• plane
• both convex and plane
• concave

Galileo confirmed that there were mountains on the moon using his telescope with 8x magnification.

• TRUE
• FALSE

Which of the following would occur as a result of unbalanced forces?

• The moon orbits Earth at a constant speed
• Twelve children leaning on a wall.
• A bus moves on the highway at 65 miles per hour
• Some kids fall playing tug-of-war

The 5th element that refers to heavinly bodies according to Aristotle.

• AETHER OR ETHER

There are two valence electrons shared in a single bond formed.

• True
• False

The ________________ tells the average mass of an atom of that element.

• Weight
• Atomic mass
• Atomic number
• Scale

a certain molecule is composed of atoms that all pull on electrons with the same strength. Will the molecule be polar or non-polar?

• the molecule be nonpolar

Air Resistance is ____________ acting on something moving through the air.

• Gravity
• Friction
• Wind
• Force

Fluorine has the greatest electronegativity value while Cesium has the least value.

• True
• False

The point on the principal axis where all the normals meet is known as ----

• center of curvature
• principal axis
• pole
• normal

Which of the following is TRUE about nucleosynthesis?

• It is the process of creating new atomic nuclei from pre-existing nuclei.
• It comes from the word “nucleo”, meaning nucleus, and “synthesis”, meaning putting together.
• It is the creation of everything including all matter in the universe.
• All of the above.

__________cannot easily be separated. Things DISSOLVE in a liquid quicker when heat is added, the substance is stirred, or when the area is spread out.

• Solutions
• Mixtures

________waves are created from vibrations

• Sound
• heat
• light

It is referring to the change in wave frequency during the relative motion between a wave source and its observer

• Redshift
• Doppler
• wavelength
• Isotopes

A man traveling with his car 150 m to the east and then 70 m to the west, calculate the average velocity of the car if the travel takes 10 seconds.

• 6 m/s North
• 8 m/s East
• 10 m/s West
• 15 m/s South

How long will it take a Pony Express rider to travel 24,000 m if he is traveling at a speed of 12 m/s?

• 48,000 s
• 4,800 m
• 200 s
• 2,000 s

Reactants

• substances that undergo a chemical change
• new substances formed as a result of chemical change
• a chemical bond formed between oppositely charged ions

When the temperature of a substance is lowered, its particles __________ .

• Vibrate more slowly
• Escape the attractive forces of the other particles
• Stop vibrating completely
• Vibrate more quickly

It is the force that can attract or repel particles.

• Gravity
• Electromagnetic force
• Strong force
• Weak force

11. Beneficial in removing hard water deposits, discoloration from aluminum, brass, bronze, copper and iron rust stains.

• Zonrox
• Acid
• Base
• Dishwashing Liquid

9. A substance that increases the rate of a chemical reaction without itself being consumed by the reaction.

• Solution
• Solvent
• Catalyst
• Solute

In an acceleration graph showing speed versus time, a straight line shows the acceleration is

• Decreasing
• Increasing
• Changing
• Constant

(how something feels),

• color, texture
• Volume
• Mass

There is a faster rate of capturing neutrons before it undergoes radioactive decay.

• R-process
• S -process

It is the type of bond happened between two atoms which are metals[Blank].

• Metallic

You way more on the Moon than the Earth

• True
• False

The universe is composed of a total of blank elements from hydrogen to uranium.

• 92

covalent bond

• a chemical bond formed between oppositely charged ions
• a chemical bond in which two atoms share one or more pairs of valence electrons
• new substances formed as a result of a chemical change
• numbers that appear before a formula in a chemical equation

balance the equation CH4 + O2--------- CO2 + H2O

• CH4 + 2O2 -------- CO2 + 2 H2O

based on their chemical formulas, which of these compounds is not likely to be an ionic compound: SO2, KBr, or FeCI3? How can you tell?

• SO2 is not an ionic compound because they are two nonmetals which makes it a covalent bond

what causes surface tension?

• adhesion
• cohesion
• ionic bonds
• covalent bonds

This IMFA is an attraction between ion and polar molecules.

• Ion-Dipole Forces
• Dipole-Dipole Forces
• Hydrogen Bonding
• Dispersion Forces

coefficients

• numbers that appear before a formula

Having a dam/ power plant nearby, is it really helpful? why?

Which of the following is the most accepted theory about the formation of the universe that explains why it continues to expand?

• Creation Theory
• Multiverse Theory
• Steady State Theory
• Big Bang Theory

This is how three Helium-4 is converted into Carbon in a red giant star.

• Proton-proton chain
• CNO cycle
• Alpha ladder process
• Tri- alpha process

When an object's distance from another object is changing.

• It is in motion
• It is speeding
• It has a high velocity
• It is acceleration

Which process is responsible for the formation of light elements such as Hydrogen and Helium?

• Big Bang nucleosynthesis
• Stellar nucleosynthesis
• Supernova nucleosynthesis
• None of the above

According to Boyle's law, at a constant temperature, if the volume of a container of gas is __________, then pressure of the gas will __________ .

• Increased; increase
• Increased; decrease
• Decreased; decrease
• Decreased; increase

Determine if the proponent believed in geocentric or heliocentric model.EUDOXUS OF CNIDUS

• geocentric model
• heliocentric model

This resources can be used to reproduced biofuels like ethanol and biodiesels and biogas like biomethane. Ethanol and biodiesel can be mixed with or replace gasoline and diesel respectively.

• Biomass

________take the shape of their container and move a little

• Liquids
• Gases
• Solid

A force is a _________________ or __________________.

• Tug, spring
• Push, shove
• Push, pull
• Movement, stillness

They perfected the use of bronze, dye and glass that the Greeks later copied

• Chinese
• Arabs & Muslims
• Egyptians
• Mesopotamian

Our universe started with a blank.

• Big Bang

Tycho Brahe is known for his geoheliocentric system.

• TRUE
• FALSE

6. It is a physical substance that is used to make things.

• Molecules
• Atoms
• Material
• Matter

Elements are believed to have existed blank.

• billions of years ago
• hundred of years ago
• ten of years ago
• million of years ago

there are more than _______ different atoms

• 100

What are the two other isotopes of hydrogen?

• diterium and tritium
• tritium and quadrium
• deuterium and quadrium
• deuterium and tritium

It is a process that creates new atomic nucleus from pre existing nucleons, primarily electrons, neutrons and protons.

• NUCLEOSYNTHESIS