Benchmark Review

What are renewable resources?

• A limited amount and cannot be replaced in a human life time.

• Plastic bags

• Coal, oil, and natural gas

• Can be replaced in our lifetime through natural processes

Sunlight is...

• Very bright

• Will eventually run out soon

• A renewable resource

• A nonrenewable resource

A group of non-renewable resources, called ______________, include coal, oil, and natural gas.

• Fossils

• Energy

• Resources

• Fossil fuels

How can we conserve energy?

• use less coal, oil, and natural gas.

• use fabric bags instead of plastic.

• use public transportation instead of driving a car.

• All of the above

A disadvantage of this energy source is that it pollutes the air with gases.

• hydropwer

• wind

• coal

• solar

What is the thinnest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

What layer of the Earth is represented by the letter A?

• Crust

• Mantle

• Outer Core

• Inner Core

What layer of the Earth is represented by the letter B?

• Crust

• Mantle

• Outer Core

• Inner Core

What layer of the Earth is represented by the letter C?

• Crust

• Mantle

• Outer Core

• Inner Core

What are the puzzle pieces of the Earth's surface called?

• Tectonic plates
• Puzzles
• Earthquakes