Fossil Fuels

All energy comes from

• The Sun

• Earth

• The Moon

• Water

What happened to fossils (once living things) over time? (choose the best answer)

• They rotted.

• They were transformed into fossil fuels.

• They turned into ghosts.

• They were buried deep into the earth.

What is coal used for?

• Putting in a Christmas stocking if you're bad.

• Driving modern cars.

• Building houses.

• Energy.

What is the difference between all 4 types of coal?

• Their color

• Their weight

• The amount of heat energy they produce.

• Their hardness.

Which type of coal is most often used?

• Bituminous

• Anthracite

• Subbituminous

• Lignite

Which is NOT a problem associated with coal?

• Greenhouse gases

• Air Pollution

• Changing Landscapes

• Bullying

How much electricity does coal produce in the U.S.?

• 10-20%

• 80-90%

• 30-40%

• 100%

What are greenhouse gases?

• They cause the earth to smell bad.

• They cause the sun's warmth to be trapped in Earth's lower atmosphere.

• They cause the earth to look green.

• They prevent heat from entering the earth.

How long does it take for fossil fuels to develop?

• Millions of years

• Billions of years

• 100 years

• Less than a year

Which is not a fossil fuel?

• Natural Gas

• Coal

• Solar energy

• Oil