Three Main Rock Types

What process is used to form sedimentary rocks?

• Lava cools and hardens to form a rock.

• Bits of sand and gravel form layers that turn into rock from pressure.

• Extreme heat and pressure from inside the Earth turn rocks into new rocks.

• Magma trapped under the Earth's surface cools and solidifies

Tags

NGSS.MS-ESS2-1

What type of rock can turn into a metamorphic rock?

• Sedimentary only

• Igneous only

• Both Sedimentary and Igneous rocks

Which type of rock would you expect to find by a volcano?

• Igneous Rocks

• Sedimentary Rocks

• Metamorphic Rocks

What material is used to form igneous rocks?

• magma

• sand

• gravel

• fossils

This rock was another type of rock that was heated and compressed over time. What type of rock is this?

• Sedimentary

• Metamorphic

• Igneous

Tags

NGSS.MS-ESS2-1

In order for a metamorphic rock to form, _______ is needed.

• Heat

• Sun

• Heat and Pressure

• Weathering

This rock was found near the mouth of a volcano. What type of rock is this?

• Sedimentary

• Metamorphic

• Igneous

What are sedimentary rocks ?

• Formed by heat and pressure

• Formed by heat and cooling

• Layered rock formed by compaction

• All of the above

What are Igneous rocks?

• Formed from heat and cooling

• Magma

• Layered rocks formed by compaction

• All of the above

There are two types of Igneous rocks. What are they?