Chapter 5: Energy Sources

Question 1

Non-Renewable energy sources

Answer 1

Fossil fuels
Coal
Gas
Peat
Oil

Question 2

Fossil fuels

Answer 2

The decomposing of plants and organisms

Question 3

Gas

Answer 3

Heat water to produce steam

Question 4

Coal

Answer 4

Mining coal

Question 5

Peat

Answer 5

Peat is made of decayed plants and other organic matter found in bogs

Question 6

Renewable energy sources

Answer 6

Hydrolectric power (HEP)
Geothermal energy
Biomass
Wind
Solar

Question 7

HEP

Answer 7

Is the creation of energy by using the force of falling water

Question 8

Geothermal energy

Answer 8

Geothermal energy is created by using the heat from the Earths crust and heated by the rocks. The heated water is then pumped back to the surface where it can be used to heat homes.

Question 9

Advantage of oil

Answer 9

It gives off hardly any smoke
It produces great heat
It is very efficient
It is easily transported

Question 10

Disadvantages of Oil

Answer 10

It is expensive
We have to import it
It must be transported by sea in tankers
Oil leaks can cause serious pollution

Question 11

Wind energy

Answer 11

The force of the wind can be used to turn turnines and create electricity

Question 12

Solar energy

Answer 12

Solar energy is created using heat and light from the sun

Question 13

Biomass

Answer 13

Biomass energy comes from organic material. Wood, logs, chips and pellets.

Question 14

Problems causes by acid rain

Answer 14

It can wash nutrients from the soil
Wipe out fish stocks
Forests become vulnerable to disease
Cotes can be damaged, the rain weathers the stone

Question 15

Acid rain

Answer 15

Acid rain is formed when sulfur dioxide and nitrogen oxide are released into the atmosphere. Fossil fuels can create this.

Question 16

Solutions to acid rain

Answer 16

Use more renewable and clean energy
Use natural gas
Use filters on coal and oil power stations
Tax cars with high emissions or develop cleaner technology for cars.
Encourage people to use public transport.

Question 17

Smog

Answer 17

Smoke from burning fossil fuels cause air pollution. When these gases mix with sunlight and it heat, smog is formed. Because it looks like fog and is caused by smoke.