Earth Science Review

Where are earthquakes and volcanoes MOST LIKELY to occur?

• North & South Poles
• Middle of a Continent
• At Plate Boundaries
• Random Places

TRUE OR FALSE: The outer core is made of liquid iron and nickel.

• True
• False

A mineral is soft and can be easily scratched with a fingernail. What could this mineral be?

• Diamond
• Talc
• Quartz
• Calcite

How does the Law of Superposition help us determine the age of Earth?

• absolute age of the rocks only
• absolute age of the fossils only
• relative age of the rock layers, but not the fossils
• relative age of both rocks and fossils 

What causes MOST air pollution?

• Dust and pollen
• Landfills
• Burning of fossil fuels
• Acid Rain

Which layer of Earth is a dense ball of solid metal?

• Inner Core
• Outer Core
• Mantle
• Crust

The Atlantic Ocean is slowly expanding. What is causing this to occur?

• Convergent Plate Boundary
• Plate Collisions under the Ocean
• Volcanoes and Earthquakes in the Ocean
• Sea-floor spreading

Our society relies heavily on fossil fuels as its primary energy source. Which is the MOST LIKELY prediction of how this reliance may change 100 years from now?

• More coal use. 
• More natural gas and petroleum use.
• More renewable resources use.
• More non-renewable resources use.

As you go towards the center of Earth, what happens to its density and temperature?

• Both decrease
• Both increase
• Temperature increases & density decreases
• Density increases & temperature decreases

What is one way you can conserve water in your home?

• Water your lawn everyday
• Take longer showers
• Leave the water running when you are washing dishes
• Wash clothes only when you have a full load