Alternative Energy Sources, Renewable and Nonrenewable

What is coal made of?

• decomposed animal and plant remains
• water
• electricity
• all of the above

Which of the following is not a fossil fuel?

• natural gas
• electricity
• oil
• petroleum

Geothermal energy is energy from 

• the sun
• heat from deep in the earth
• wind
• inexhaustable

Energy made from moving water or falling water is

• geothermal energy
• solar energy
• electrical energy
• hydroelectric power

Energy from the sun is called

• Biofuels
• Solar
• Geothermal
• Hydroelectric

Corn, wheat, and soybeans can be made into a substance called ethanol. In some places, ethanol is part of a mixture used to power cars and trucks. What type of alternative energy resource is ethanol?

• Hydroelectric
• Geothermal
• Biofuels
• Solar

All of the following are considered alternative energy sources EXCEPT –

• Wind
• Coal
• Biofuel
• Solar

Wind, geothermal, and solar energy are all what type of energy resources?

• cheap
• potential
• renewable
• chemical 

What does Geothermal energy use to spin the turbine?

• Heat from deep inside the earth
• Water from rivers
• Wind
• Sunlight

Hot water is pumped up from deep inside Earth and is used to heat homes or to generate electricity. This describes...

• biofuels
• hydroelectric energy
• geothermal energy