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2
3
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100
Earth's outermost and thinnest layer is called the _________.
crust
100
Who is Miss Tricia's favorite singer?
Elvis Presley
100
True of False-- Rocks can never change from one kind to another.
FALSE
100
The placing of materials in a new place is called ____________.
deposition
100
_________ rocks form when rocks and materials settle on top of each other, are pressed together, and harden.
sedimentary
200
What makes up the Earth's lithosphere?
the top part of the mantle and the crust above it
200
What force do people feel when two plates jerk into a new position?
earthquake
200
__________ weathering is teh breaking down of rock by gravity, ice, plant roots, or other forces.
mechanical
200
__________ rocks result from great heat and pressure changing existing rocks.
Metamorphic
200
Name three properties you can use to identify an unknown mineral.
magnetism, hardness, luster, shape, streak, texture, color, smell
300
_____ weathering is the changing of materials in a rock by chemical processes.
chemical
300
A __________ rock is formed when hot, melted rock cools and hardens.
igneous
300
The ______ __________ is a slow process where rocks change from one type to another.
rock cycle
300
Chemical and mechanical weathering are two kinds of destructive forces on Earth's surface. How are they destructive?
They break rock into smaller pieces called sediment.
300
How do you determine the streak of a mineral?
rub the mineral on a rough, hard, white surface
400
Name three major types of rocks.
igneous rocks, sedimentary rocks, & metamorphic rocks
400
How can you identify igneous rock?
It has visible crystals
400
Sandstone is a kind of __________rock.
sedimentary
400
Which layer of soil has the greatest amount of decayed material in it?
topsoil
400
Which layer of a rock could you find the oldest fossils?
the bottom layer
500
How do scientists learn about the mantle and core of the Earth?
They study material that pushed through the cracks into the crust.
500
Explain 2 ways the movement of Earth's plates changes the surface of the Earth
-2 plates may collide with each other -2 plates could spread apart from each other -2 plates could slide past each other in opposite directions
500
A volcano is an example of a ________________ force of nature.
constructive
500
How do farmers work to prevent field erosion of topsoil?
They surround fields with natural barriers, such as trees.
500
How are harbors and inlets generally formed?
Some areas of a shoreline erode more quickly than others.
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