Non renewable and renewable energy

Question 1

What is renewable energy?

Answer 1

Energy that is sustainable…

Question 2

What are the pros and cons of wind power?

Answer 2

Pros:
It is a renewable source

Cons:
They are big and noisy
They require wind which doesn’t always occur
They destroy homes of animals

Question 3

What are the pros and cons of nuclear energy?

Answer 3

Pros:
It is reliable

Cons:
When something goes wrong, it can be catastrophic
The waste from the power stations is deadly and makes it non-renewable.

Question 4

What are the pros and cons of solar power?

Answer 4

Pros:
You can have them on your own house
They only require sun light
They are a renewable energy source

Cons:
They are expensive
They can’t supply energy at night
They require sun and sometimes the sun could be blocked out
Birds nest under the solar panels and are satanic

Question 5

Name 4 NON renewable energy sources.

Answer 5

Coal, crude oil, gas, nuclear.

Question 6

Define a non-renewable energy source.

Answer 6

The sources are being used quicker than they are being replaced.

Question 7

How is energy made from coal?

Answer 7

1. Coal is burnt to create heat.
2. The water is boiled and turns to steam.
3. The steam pushes the turbine round.
4. The generator turns this energy into electricity.

Question 8

How is coal formed?

Answer 8

1. Millions of years ago, trees and plants grow using energy from the Sun and carbon dioxide in the air.
2. Plants die, and some fall into swamps and sink to the bottom.
3. The mud and water stop the plants decaying.
4. Over millions of years, the plant remains are covered by layers of sand and clay – sediment.
5. The heat from the Earth and the pressure of the sediment pressing down turn the plant remains into coal.
6. Now we burn that coal to release energy.

Question 9

How are oil and gas formed?

Answer 9

1. Millions of years ago, plants in the ocean grow using energy from the sun and carbon dioxide in the water. Animals in the ocean get their energy from the plants.
2. The plants and animals die and fall to the bottom of the seabed.
3. The water stops the plants decaying.
4. Over millions of years, the plant and animal remains are covered by layers of sand and clay – sediment.
5. The heat from the Earth and the pressure of the sediment pressing down turn the plant and animal remains into oil and gas.
6. Now we burn that oil and gas to release energy.

Question 10

Where does the energy in fossil fuels come from originally?

Answer 10

The energy in fossil fuels comes from the Sun (photosynthesis in plants).

Question 11

Why do we call fossil fuels non-renewable?

Answer 11

Fossil fuels are non-renewable because they are not being replaced as fast as we are using them. They will eventually run out.