Rocks

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary
• Metamorphic, Igneous, Cementation
• Brown, Red, Gray
• Streak, Hardness, Breakage

The process by which igneous rocks are formed...

• heat and pressure
• melting and cooling
• weathering and erosion

In which type of rock might you see a fossil?

• Marble

• Igneous rock

• Metamorphic rock

• Sedimentary rock

How are metamorphic rocks created?

• Cooling and crystallizing as it moves away from the core

• Formed from pieces of other rock

• None of these options are correct.

• Heat and pressure as they move toward the core

Rock that forms when sediment from older rocks get pressed and cemented together.

• Sedimentary Rock
• Metamorphic Rock
• Igneous Rock

The process by which metamorphic rocks are formed...

• heat and pressure
• erosion and deposition
• melting and cooling

_______ rock forms from magma/lava

• Metamorphic
• Sedimentary
• Igneous

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

Gneiss is a rock that forms from high pressure and temperatures. What type of rock is this?

• Igneous

• Sedimentary

• Metamorphic

Obsidian forms when lava cools rapidly. What type of rock is this?

• Igneous

• Sedimentary

• Metamorphic