Earth's Crust and Plate Tectonics

Front

What type of rock is formed by small pieces of rock and organic material being squeezed into one piece?

Back

Sedimentary rock is formed from the accumulation and compaction of small pieces of rock, minerals, and organic material.

Front

What is a mineral's resistance to being scratched called?

Back

Hardness is the measure of a mineral's resistance to being scratched.

Front

Which layer of soil contains large amounts of organic matter?

Back

Top Soil is the uppermost layer of soil, rich in organic matter from decomposed plants and animals.

Front

Which layer of the Earth is the hottest?

Back

The inner core is the hottest layer of the Earth, composed mainly of iron and nickel.

Front

What happens to soil that is not covered with plants?

Back

Soil that is not covered with plants can be easily eroded by wind and water.

Front

What is the outer layer of the Earth called?

Back

The crust is the outermost layer of the Earth, where we live.

Front

What is the process by which rocks are broken down into smaller pieces?

Back

Weathering is the process that breaks down rocks into smaller pieces.

Front

What is the movement of the Earth's plates called?

Back

Plate tectonics is the theory that explains the movement of the Earth's plates.

Tags

NGSS.MS-ESS2-3

Front

What is the layer of the Earth beneath the crust?

Back

The mantle is the layer of the Earth located beneath the crust.

Front

What type of rock is formed from cooled magma or lava?

Back

Igneous rock is formed from the cooling and solidification of magma or lava.