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The study of the Earth's structure, properties, processes, and four and a half billion years of biotic evolution for the maintenance of life on the planet.
Eras are the second to the largest intervals of geologic time and are hundreds of millions of years in duration.
The earth's water is how many percents of the earth's surface?
Eras are subdivided into periods.
It determines the age of a rock/object using radiometric techniques.
The process of breaking down of rocks by means of water, ice, wind, plants, and animals is called weathering.
The different type of rocks are the following, except ________________.
Island arcs and oceanic trenches occur when both of the plates are made of oceanic crust
Extreme heat and ________________ is needed for metamorphism to occur.
A process of preserving the remains or traces of a dead organism.
Domestic waste is a special type of waste.
The hardest mineral is ________________.
Epoch is the smallest division of the geologic time scale.
Aquifers are areas of permeable rock that hold water.
It is the best-supported theory on the origin of the universe.
Current within the mantle have broken the crust into blocks called _______________.
The process of rapid expansion -about a billionth of a trillionth of a second, creating what we now call space.
A stress is any change in volume or shape.
The processes of evaporation and transpiration is also called transpoevaporation.
The Milky Way Galaxy is how many light-years across?
It works best for igneous and metamorphic rocks.
The term 'cosmos' is derived from the Greek word 'kosmos' which means _________________.
Temperature is a major factor in the formation of magma.
The geologic time scale is divided into four segments.
A large body of water surrounded by land is called ____________.
The Milky Way Galaxy is about 100,000 light-years wide.
Erosion is consist of material saturated with water that moves as a fluid mass.
This theory states that the universe has no beginning and no ending.
Physical structure of living beings depends on the protein content in their bodies.
This shows the leftover radiation of the ancient universe.
Rich in minerals that leached (moved down) from the A or E horizons and accumulated in Horizon O.
The point where the denser plate goes under the less dense plate is called a rift valley.
All sedimentary rocks contain fossils.
It determines if an object/event is younger or older than another object/event from history
When did the first mammal live?
Most of the pores in the vadose zone are filled with air, rather than water.
This technique solely depends on the traces of radioactive isotopes found in fossils.
Precambrian contains large piece of the earth's geological history.
It is the oldest in the three periods.
Metamorphic rocks are those that have been transformed by pressure and heat but that has not actually melted.
The following scientists are believers of the Big Bang Theory, except ____________.
It works best for sedimentary rocks having layered arrangement of sediments.
A type of mining where only shallow deposits are removed.
A large, slowly moving, sheet of ice.
Continental drift, large-scale horizontal movements of continents relative to one another and to the ocean basins during one or more episodes of geologic time.
How old is the solar system?
It is based on the concept that the lowest layer is the oldest and the topmost layer is the youngest.
Virtually all of the metamorphic rocks that we see on Earth are derived from magmas that formed from partial melting of existing rock, either in the upper mantle or the crust.
Betelgeuse and Rigel are two of the brightest stars of Orion's Belt.
At what era, do humans live?
The following are definitions of a mineral, except ______________.
The most active divergent plate boundaries are between oceanic plates and are often called mountain ranges.
The Mesozoic era is divided into three periods; Triassic, Jurrasic, and Cretaceous.
Saltwater is abundant in the surface of the planet and is not directly useful for potable purposes.
A divergent boundary is formed when two plates move away from each other.
This level of the atmosphere comprises 80% of the gas on Earth and where weather patterns take place.
The word 'universe' is derived from the Latin word 'Universum' which was used by the Roman statesman named __________________.
The following are types of biome, except ________________.
"Atmos" came from the Greek word which means _____________.
A region with similar plants, animals, terrain, and climate is called _______________.
Paleontology is the study of fossils.
It took how many years before the universe started to cool down enough for the protons, neutrons, and electrons to bind together to form neutral Hydrogen and Helium?
He proposed that the universe began from a single primordial atom.
There are four types of igneous rock.
It determines the period during which certain object was last subjected to heat. It is based on the concept that heated objects absorb light, and emit electrons.
The theory that explains an expanding universe is the ______________ theory.
A body of flowing water moving towards the sea.
This rock forms when either magma or lava cools down and turns from liquid to solid.
This type of power plants uses moving water to generate electricity.
The point where the denser plate goes under the less dense plate is called _______________.
When did the first vascular plants arise?
Formal geologic time begins at the start of the Phanerozoic Eon (4.0 billion to 2.5 billion years ago) and continues to the present day.
Weathering is the breakdown of rocks at the Earth's surface.
Two minerals that have the same composition but different crystal form.
The age of the universe is ____________.
The eon where humans are living is _____________.
Hadean eon is the earliest in the geologic time scale.
The pressure is a measure of the stress, the physical force, being applied to the surface of a material.
The following are terrestrial planet, except ____________________.
Seafloor spreading and other tectonic activity processes are the results of convection current in the mantle.
This termed to as the infinitely tiny, hot, and dense point where the universe started.
The theory of continental drift is most associated with the scientist ____________.
The most abundant element in magma is oxygen.
When two plates are colliding, the type of boundary is called ____________.
The discovery of this by Arno Penzias and Robert Wilson led to the thought that the universe started as a tiny, hot, and dense state.
In the theory of Continental Drift, Earth’s continents were once part of an enormous, single landmass called ___________________.
Hydrolysis is the breakdown of rocks by acidic water to produce clay and soluble salts.
Physical weathering is caused by the rainwater reacting with the mineral grains in rocks to form minerals and soluble salts.
A continent is composed of relatively light blocks that float high on the mantle, like gigantic, slow-moving icebergs.
This type of power taps Earth's internal heat to produce electricity.
"Geo" came from the Greek word ____________.
Seafloor spreading occurs along mid-ocean ridges—large mountain ranges rising from the ocean floor.
Parent material can be found in the C horizon.
A mass movement also called Mass Wasting.
Relative time allows scientists to tell the story of Earth events but does not provide specific numeric ages, and thus, the rate at which geologic processes operate.
A classification of a nonrenewable mineral resource that is identified resource that can be extracted profitably.
This is the stage when clumps of gas collapsed enough to form the very first stars and galaxies.
Horizon R or bedrock is a mass of rock such as granite, basalt, quartzite, limestone or sandstone that forms the parent material for some soils – if the bedrock is close enough to the surface to weather.
Amber is the fossilized remains of tree sap millions of years ago.
Erosion is the breakdown of rocks at the Earth's surface.
Solid or as paste that once deposited in a landfill do not undergo significantly physical-chemical or biological transformations is called inert waste.
The period when dinosaurs diversify is ____________.
What is the study of minerals called?
The period when the first primates arise is ______________.
"Bio" is a Greek word which means _________________.
The breakdown of rocks by oxygen and water, often giving iron-rich rocks a rusty color is called oxidation.
When two plates move lateral to one another, this boundary is called ____________.
"Hydro" is a Greek term which means ___________________.
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