Rock Types

Which of the following is NOT one of the three main types of rocks?

• igneous

• crystalline

• metamorphic

• sedimentary

The cooled and hardened lava from volcanoes forms what rock type?

• extrusive igneous

• sedimentary

• metamorphic

• intrusive igneous

Hot, molten rock inside the earth is called ...

• lava

• magma

• igneous rock

• minerals

Once magma reaches the earth's surface, it is called __________.

• a vent
• minerals
• igneous rocks
• lava

What will happen if an igneous rock is put under an extreme amount of heat and pressure?

• it will melt into lava
• it will weather and erode
• it will become a metamorphic rock
• it will become a sedimentary 

This rock formed when bits of other rocks and sediment were pressed into a solid. What type of rock is it?

• Sedimentary Rock

• Metamorphic Rock

• Igneous Rock

This rock was formed when magma cooled very slowly inside the Earth. What specific type of rock is it?

• Intrusive Igneous Rock
• Extrusive Igneous Rock
• Foliated Metamorphic Rock
• Clastic Sedimentary Rock

This rock formed when lava cooled very quickly on Earth's surface. What specific type of rock is it?

• Extrusive Igneous Rock
• Intrusive Igneous Rock
• Non-Foliated Metamorphic Rock
• Biochemical Sedimentary Rock

Which processes form sedimentary rocks?

• Lava cools and hardens to form a rock.

• Weathering, Erosion, Deposition, Compaction, Cementation

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

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

This rock was formed by smaller pieces of rock that settled at the bottom of a lake millions of years ago. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic