Power From The Sun And The Earth

Question 1

Solar Radiation ___________ Energy to You From the Sun.

Answer 1

Transfers.

Question 2

The Sun’s Energy can be Used to ______________ Electricity Using Solar Cells. It can be Used to Heat _________ Directly in Solar Heating Panels.

Answer 2

Generate…Water…

Question 3

Pros and Cons of Solar Panels?

Answer 3

Pros:
- Useful where Small Amounts of Electricity is Needed.
Cons:
- Expensive.
- Lots are Needed.

Question 4

A Solar Power Tower Uses Thousands of ______ Mirrors to Reflect _____________ on the Big Water Tank at the Top.

Answer 4

Flat…Sunlight…

Question 5

Geothermal Energy Comes From Energy ____________ by Radioactive Substances Deep Within the Earth.

Answer 5

Released.

Question 6

In Geothermal Energy, Energy Transferred From these Radioactive Substances ______ the Surrounding Rock. So, Energy is Transferred by Heating Towards the Earth’s ____________.

Answer 6

Heat…Surface…

Question 7

Where can Geothermal Power Stations be Built?

Answer 7

In Volcanic Areas.

Question 8

Water Pumped into Hot Rocks Underground Produces _________ to Drive _____________ at the Earth’s Surface that Generate Electricity.

Answer 8

Steam…Turbines…