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Earth Science Test
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What happens at convergent boundaries?
plates are pushed apart
plates are pushed together
plates are diminished
What do transform boundaries
what is the outer core made up of?
liquid nickel and iron
According to the text, scientists estimate the mantle to be how thick?
What can divergent boundaries form?
nothing is formed
What can fossils tell us according to the text?
provide information about how the organism died.
provide temporal information about the earth.
provide information about how the earth's surface has changed over time.
How is a fossil formed?
When plants or animals die and are quickly submerged in water
When plants or animals are frozen immediately after death
When plants or animals die and are quickly buried by sediments
Can a metamorphic rock turn into an igneous rock?
How do scientists learn about the age of earth
through looking at the sun
What can cause erosion?
Erosion can be caused by animal activities
Erosion can be caused by wind, ice, waves...
Erosion is caused by extreme heat
What is the state of the iron and nickel that make up the inner core?
How is a metamorphic rock formed?
Through destruction from wind and wave
Through extreme heat and pressure and time
What happens to the temperature and pressure as one goes deeper into the earth?
it remains stable
What are tectonic plates driven by?
what is the name of the center of the earth?
the end of the world
What is formed by the plates being forced downwards?
nothing is formed
How is a sedimentary rock formed?
Sediment layers piled up cemented together and form sedimentary rock.
Sedimentary rock is formed by destruction through wind/wave
What are the three types of rocks?
metamorphic, sedimentary, and magma
Igneous, metamorphic and magma
Igneous,sedimentary,and metamorphic . igneous
What forms when plates slide past each other?
what would happen if a person somehow reached the inner core of the earth?
they would burned within seconds.
they would be squeezed into a ball smaller than a marble.
they would be able to exist normally.
What forms the mid-ocean ridges?
What are fossils?
Remains of animals and plants
Very old rocks
Dirt under high pressure and heat
How many layers is the earth made up of?
What is the earths crust?
The outer layer of earth
The middle layer of earth
The core of earth
How is a divergent boundary formed?
plates dont move
plates are moved apart
plates move together
What are tectonic plates?
large blocks of coal
What is weathering?
When you apply lots of pressure on rocks
When the weather influence how rocks are formed
When rocks are constantly being broken down (ex. sand, clay)
what is lava?
cooled and hardened magma
Magma that reaches the surface
How are igneous rocks formed?
When magma cools on the surface piles or layers soon become buried under more sediment.
When a volcano explodes
When lava cools on the surface magma (liquid rock) cools on the surface of the earth or deep within the earth.
The process of rocks changing
from one type to another is called the ______________.
Rock chronicle life
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