Cornish Mining

Ore is 

• any type of rock
• a rock with metals
• a rock with metals worth something to someone
• a rock with minerals

A rock formed from lava or magma is classified as

• igneous
• metamorphic
• sedimentary

A rock formed from heat and pressure is

• igneous
• metamorphic
• sedimentary

Sedimentary rock results from 

• heating
• melting
• erosion
• pressure

The luster of a mineral describes 

• its density
• how it cracks
• its color
• the shininess

Which mineral is the softest on Moh's hardness scale?

• diamond
• quartz
• talc
• topaz

What do we call the center of the Earth?

• Mantle
• Crust
• Apple
• Core

Which is the hottest part of the Earth?

• The core
• The mantle
• The crust
• The Asthenosphere

What layer is between the inner core and the mantle?

• asthenosphere
• crust
• outer core
• lithosphere

How far is it to the center of the Earth in miles?

• 4000
• 400
• 40,000
• 27408