Earth Materials

A hard, naturally formed mineral or group of minerals is known as a ______.

• element

• rock

• weathering

• glacier

What a rock is made of, like iron or coal, is called a __________.

• igneous

• glacier

• mineral

• sand

Tags

NGSS.MS-PS1-1

How hard a rock is (its ability to be scratched or not) on a scale of 1 to 10 is called ________________.

• hardness

• texture

• luster

• color

How a rock feels is called its __________.

• hardness

• texture

• luster

• streak

How light reflects off of a rock or mineral is called its ____________.

• hardness

• texture

• luster

• cleavage

A break in a rock or mineral along a certain plane is called ____________.

• hardness

• texture

• luster

• cleavage

When rocks are broken down by different things, we call this _______________.

• sediment

• deposition

• erosion

• weathering

When the surface of the earth is worn away by water, wind or ice, we call this _______________.

• sediment

• weathering

• erosion

• luster

Tags

NGSS.MS-ESS2-2

A large piece of ice slowly moving over land is called a ______________.

• rock

• mineral

• sediment

• glacier

When a natural resource is able to be replaced, we say it is __________________.

• a plant

• minerals

• renewable

• non-renewable