Unit 4: Energy Review

Formed from once living things in mostly swampy areas (coal) or under the ocean (oil/natural gas) millions of years ago

• Fossil fuels

• Solar cells

• Hydroelectric dam

• Nuclear power plant

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS3-1

an energy source that we are using up and cannot recreate

• Biofuel Energy

• Nonrenewable energy

• Renewable energy

• Limited Energy

Tags

NGSS.HS-ESS3-2

an energy source that can be easily replenished

• Biofuel Energy

• Nonrenewable energy

• Renewable energy

• Limited Energy

the percentage of energy put into a system that does useful work.

• Energy Conservation

• Energy Efficiency

• Energy Wattage

• Electricity

What is one of the main uses of fossil fuels?

• heating and cooling of buildings

• cooking on a barbecue

• power electronic devices

• lighting Christmas decorations

What are the three types of fossil fuels?

• nuclear, oil, biofuel

• coal, oil, natural gas

• solar, wind, hydroelectric

• biofuel, gasoline, ethanol

Fossil fuels are all of the following except

• Good availability

• Non polluting

• Relatively inexpensive

• Easily distributed

Which of the following is a disadvantage to fossil fuels?

• limited in supply & harmful to the environment

• disruptive to bird migration

• minerals clog pipes

• not as powerful & expensive

How are fossil fuels formed like coal?

• the migration of complex carbohydrates to nonporous rock formations

• the burning of uranium

• the decay of plants that lived in swamps hundreds of thousands of years ago

What is the main energy source of the US?

• coal burning

• solar power

• nuclear power

• biomass burning