Rocking Along

What are rocks primarily made of?

• Water

• Minerals

• Plants

• Air

Tags

NGSS.MS-PS1-1

For how long have people been using rocks as tools and building materials?

• Hundreds of years

• Thousands of years

• Millions of years

• Billions of years

How many main types of rocks are mentioned in the passage?

• Two

• Three

• Four

• Five

Which type of rock is formed by a large amount of heat and pressure?

• Igneous

• Sedimentary

• Metamorphic

• Volcanic

What is an example of a metamorphic rock?

• Granite

• Sandstone

• Marble

• Limestone

How are igneous rocks formed?

• By layers of sediment

• By melting and then cooling

• By heat and pressure

• By wind and rain erosion

Which characteristic is often associated with igneous rocks that cool very quickly?

• They are very hard

• They are very soft

• They are very shiny

• They are very dull

What is a popular example of an igneous rock?

• Marble

• Sandstone

• Limestone

• Granite

How are sedimentary rocks formed?

• By melting and cooling

• By heat and pressure

• By layers of sediment being squeezed together

• By volcanic eruptions

What visual characteristic is often seen in sedimentary rocks?

• They look shiny

• They look like they have stripes

• They look perfectly smooth

• They look like crystals