On Earth's surface, rock breaks down into tiny pieces. The pieces settle in layers, become compacted, and stick together. Which kind of rock is formed?

• igneous

• metamorphic

• molten

• sedimentary

Tags

NGSS.MS-ESS2-2

What causes rock to become metamorphic rock?

• heat and pressure

• weathering and erosion

• heating and cooling

• magma and lava

Tags

NGSS.MS-ESS2-1

Which rock forms when magma cools?

• igneous

• metamorphic

• molten

• sedimentary

A mineral can be scratched by an iron nail. What can you conclude?

• The mineral's hardness is less than iron.

• The mineral's hardness is greater than iron.

• The mineral's luster is less than iron.

• The mineral's luster is greater than iron.

Josh rubs a mineral across a tile, and observes the color of the residue left behind. What property is Josh testing?

• cleavage

• sedimentary

• luster

• streak

Which type of resources cannot be easily or quickly replaced once they are used?

• new

• reusable

• renewable

• nonrenewable

Which is a renewable resource used to produce electricity?

• coal

• wind

• gasoline

• natural gas

Why are minerals considered nonrenewable resources?

• They cannot be replaced.

• They can be replaced but not quickly.

• They cause pollution when used to make electricity.

• They take millions of years to form deep inside Earth.

Tags

NGSS.MS-ESS3-1

Which process occurs when soil from a farmer's field blows away in a strong wind?

• erosion

• gravity

• ice wedging

• weathering

Tags

NGSS.MS-ESS2-2

Which process occurs when a flowing river moves sand towards the sea?

• erosion

• gravity

• ice wedging

• weathering

Tags

NGSS.MS-ESS2-2