Rocks and Minerals

How do sedimentary rock form?

• by pressure of layers of sediment
• by heat from volcanos
• by heat and pressure deep underground

Hardness, color, and luster are examples of a mineral's ___________.

• price
• weight
• property
• name

A rock is...

• made of 2 or more minerals
• something found in nature
• something that can be broken with a hammer or chisel
• all answers

A metamorphic rock changes into an igneous rock by what two processes?

• Melting and cooling
• Extreme heat and pressure
• Compaction and cementation
• Weathering and erosion

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

• Sedimentary
• Igneous
• Metamorphic

Which correctly matches the rock type with the process involved in forming the rock? 

• igneous - pressure and heat 
• sedimentary - erosion and weathering 
• fossils - molten rocks and magma 
• metamorphic - heating and melting 

Rocks that have been changed into a different kind of rock from heat, time and pressure are called:                                                                                                                                                                  

• Metamophic
• Igneous
• Sedementary
• Rocky

The property of luster means..

• the hardness of a mineral
• the color of the mineral
• the streak the mineral leaves
• how the mineral reflects light

What are the two most abundant elements in Earth's Crust?

• Nitrogen & Oxygen
• Potassium & Silicon 
• Silicon & Oxygen
• Nitrogen & Potassium

What gives a mineral its specific properties?

• its hardness
• the internal arrangement of atoms
• energy released during crystallization
• light being reflected