Unit 8: Computers( lesson 4)_EBU5

What have scientists designed to use wind energy?

• Scientists have designed wind turbines that make electricity.

• Scientists have designed solar panels that make electricity.

• Scientists have designed dams that make electricity.

What have scientists designed to use solar energy?

• Scientists have designed wind turbines that make electricity.

• Scientists have designed solar panels that make electricity.

• Scientists have designed dams that make electricity.

What have scientists designed to use water energy?

• Scientists have designed wind turbines that make electricity.

• Scientists have designed solar panels that make electricity.

• Scientists have designed dams that make electricity.

How do wind turbines make energy?

• Wind turbines use strong wind to make energy.

• Wind turbines use water to make energy.

• Wind turbines use sunlight to make energy.

How do dams make energy?

• Dams use strong wind to make energy.

• Dams use water to make energy.

• Dams use sunlight to make energy.

How do solar panels make energy?

• Solar panels use strong wind to make energy.

• Solar panels use water to make energy.

• Solar panels use sunlight to make energy.

Where are two of the biggest dams?

• In Brazil and Canada.

• In Brazil and USA.

• In Brazil and China.

• In Brazil and Vietnam.

In the future, people even more energy, but more of it will come from ​ (a)   ​ . When ​ (b)   use these sources, they help to keep the earth ​ (c)   .

• clean energy sources
• people
• clean

How do you use electricity?

What sources of clean energy do people use in your country?