Rocks and Minerals

Which of the following best describes how scientists classify different rocks?

• Their shape

• How they formed

• Where they are found

What type of rocks are formed by great heat and pressure?

• Metamorphic rocks

• Igneous rocks

• Sedimentary rocks

What type of rocks are formed when magma or lava cools and hardens?

• Metamorphic rocks

• Igneous rocks

• Sedimentary rocks

Rocks are constantly changing from one type to another, but it can take millions of years.

• True

• False

Tags

NGSS.MS-ESS2-1

Which of the following is an example of a metamorphic rock?

• Granite

• Sandstone

• Marble

Which of the following is an example of an igneous rock?

• Granite

• Sandstone

• Marble

Which of the following is an example of a sedimentary rock?

• Granite

• Sandstone

• Marble

What are layers of sedimentary rock called?

• Ore

• Rock cycle

• Strata

Tags

NGSS.MS-ESS1-4

What does the mineral property of hardness measure or describe?

• Describes how easy it is to scratch the surface of a mineral

• Describes how well a mineral reflects light

• Measures the density of the mineral

What does the mineral property of luster measure or describe?

• Describes how well a mineral reflects light

• The color of the mineral in powdered form

• Describes how a mineral breaks into pieces