Unit 22, Lesson 2: Earth's Energy Resources

The word "geothermal" comes from two Greek words meaning...

• Earth heat

• Moon heat

• Earth energy

• Earth works

What is another way to say "transforms"?

• gets bigger

• gets smaller

• changes

• gets hotter

The main source of energy for planes, trains, and cars...

• natural gas

• solar

• oil

• coal

The main source of energy for heating homes and cooking with a flammable gas...

• natural gas

• solar

• oil

• coal

Where does most of our energy come from today?

• burning fossil fuels

• renewable resources like sunlight, wind, or geothermal

• the outlet in the wall

• energy drinks

Solid rock-like substance made mostly of carbon used in electric power plants.

• granite

• diamonds

• oil

• coal

When water turns a turbine which is connected to a generator to make electricity, it is called...

• solar energy

• wind energy

• hydroelectric energy

• fossil fuel energy

Why are coal, petroleum, and natural gas called fossil fuels?

• Fossil fuels formed from the remains of organisms that lived long ago.

• Using these types of fuels is so old school, you might as well be a fossil.

• These forms are the same type of energy that the dinosaurs used.

• They are not called fossil fuels.

On Samso Island, which of the following was not a reason why was it difficult to convince people to try a different energy source?

• Thought it would cost too much to change over

• People did not want to change

• They thought it was an impossible dream

• It would be bad for the cows

On Samso Island, how did the community decide which energy sources to use?

• They used what was cheapest

• They used what was easiest

• They used the resource that was most plentiful

• They flipped a coin