What are the three main rock groups? Select THREE

• igenous

• metamorphic

• properties

• sedimentary

True or false: a mineral has good cleavage if it breaks bumpy and unevenly.

• true

• false

True or false: Luster is the way a mineral reflects light.

• true

• false

True or false: Streak is the color dust a mineral leaves behind.

• true

• false

What is the name of the scale that is used to measure minerals hardness?

• Mineral Hardness Scale

• Mohs Hardness Scale

• Diamond Hardness Scale

• Rock Hardness Scale

Which type of rock is formed by lava from a volcano?

• sedimentary

• metamorphic

• igneous

Explain why we need soil to survive.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Choose the answer that best describes the relationship between rocks and minerals

• Minerals are made up of rocks.

• Rocks are made up of minerals.

• There is no relationship between rocks and minerals.

• Rocks and minerals are the same.

What is the best type of soil to grow plants in?

• loam

• sandy

• clay

Tags

NGSS.MS-LS1-5

How long does it take for soil to form?

• one to two years

• five to ten years

• about fifty years

• hundreds to thousands of years