Rocks and Minerals

Rock that was  melted and then cooled and hardened is called what? 

• metamorphic rock 
• clastic rock 
• igneous rock 
• sedimentary rock

What is the hardest mineral on the Moh's scale? 

• copper
• apatite
• diamond
• talc

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

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

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
• Mineral

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

• Sedimentary
• Igneous
• Metamorphic
• Mineral

This rock cooled on the outside of a volcano and contained air bubbles when it was forming. What type of rock is this?

• Sedimentary
• Igneous
• Metamorphic
• Mineral

Igneous rocks that form as magma cools underground are called...

• extrusive 
• intrusive
• felsic
• mafic

Which mineral property is being shown here?

• luster
• hardness
• cleavage
• streak

Which process creates sediments?

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

Which type of rock will form when sediments are compacted and cemented together?

• igneous
• metamorphic
• sedimentary
• magma