Energy Resources

Which energy resource derives its energy from the earth's interior?

• fossil fuels

• hydroelectric power

• geothermal energy

• nuclear energy

Energy sources can be renewable and non-renewable. All are examples of non-renewable energy EXCEPT:

• coal

• petroleum

• hydropower

• natural gas

How is Earth’s water supply being continuously renewed?

• through photosynthesis

• through water cycle

• through transpiration

• through desalination

Why is it important to save energy in our daily lives?

• We need to burn more fossil fuel.

• Other people can waste energy.

• We save energy because it’s easier to see in the dark.

• We need to protect our environment for the future.

Hydroelectric power produces electricity using ___________________.

• wind

• moving water

• sunlight

• heat from the ground

Why does wind energy from the wind turbines not a stable source of electricity?

• because if there is no or minimal speed of wind, the wind turbines would not generate electricity.

• because this is an example of renewable resource.

• because it uses non-polluting machines.

• because it can be used by every community.

Fossil fuels are classified as non-renewable because they __________________.

• require expensive equipment

• can be found all over

• take a millions of years to replace

• provide all the energy we used

Non-renewable resources are sources of energy that can be replenished over time.

• True

• False

The rise and fall of waves is an example of non-renewable source of energy.

• True

• False

Renewable sources such as wind, solar, geothermal, biomass, and hydropower do not have environmental impacts.

• Ture

• False