The most dense layer of the Earth is the

• Inner Core
• Outer Core
• Lower Mantle
• Upper Mantle

In science, what unit do we use for distance?

• Grams
• Liters
• Meters
• Milliliters

Continental crust is more dense than oceanic crust 

• True
• False

Continental crust is thicker than oceanic crust

• True
• False

When rock is heated it rises because 

• It is more dense
• It is less dense
• It is hot
• The rock loses heavy gases

A mid ocean ridge happens from what type of plate boundary?

• Convergent
• Divergent
• Transform

A convergent boundary is when plates...

• collide
• move apart
• slide passed one another
• one plate is pulled down into the mantle

The thinnest layer of Earth is the 

• Inner Core
• Mantle
• Crust
• Outer Core

What unit do we use to measure volume in science?

• Gram 
• Liter
• Meter
• Pounds

Subduction happens at what type of plate boundary?

• Convergent
• Divergent
• Transform