1.2

Question 1

How are fossil fuels formed?

Answer 1

By the remains of dead plants and animals from millions of years ago.

Question 2

Name the 3 main types of fossil fuels.

Answer 2

Coal, Gas and Oil

Question 3

True or False: Fossil fuels are finite resources

Answer 3

True.

Question 4

What are 2 advantages of fossil fuels?

Answer 4

A small amount of fuel creates large amounts of energy.
Fuel is very safe and stable to transport and use.

Question 5

How does nuclear power work?

Answer 5

1. A high energy source of heat is created.
2. This heats water into a steam.
3. The steam drives the turbine.
4. The turbine generates electricity

Question 6

Name 3 advantages of nuclear power.

Answer 6

The process is clean and efficient
Power plants don’t take up a lot of space
It is a reliable source of energy

Question 7

Name 1 disadvantage of nuclear power.

Answer 7

The waste is radioactive.

Question 8

What is renewable energy?

Answer 8

Energy from natural sources that can be replenished.

Question 9

Name the 5 main types of renewable energy.

Answer 9

Wind
Solar
Tidal
Hydro-electrical
Biomass

Question 10

Name 4 disadvantages of wind power.

Answer 10

They only work in windy conditions
They cause noise pollution
They can disturb/harm wildlife
Sight Pollution

Question 11

Name 2 disadvantages of solar power.

Answer 11

They will only work in sunny positions
They need to be angled towards the sun rays

Question 12

Name 4 disadvantages of tidal power.

Answer 12

Expensive to build
Difficult to access for maintenance and repair
They can disturb/harm sea life
They can change the movement of water which could lead to coastal erosion

Question 13

Name 3 disadvantages of Hydro-electrical power

Answer 13

It can disturb/harm wildlife
Expensive to build
Destroys the natural environment

Question 14

Name 1 disadvantage of biomass power.

Answer 14

Deforestation which destroys wildlife

Question 15

What do photovoltaic cells do?

Answer 15

Convert energy from the suns rays into electricity

Question 16

What sort of cells are batteries?

Answer 16

Electrochemical cells

Question 17

Around how may times can rechargeable batteries be recharged and used?

Answer 17

Around 1000 times.

Question 18

Alkaine batteries come in different sizes and ________.

Answer 18

Voltages

Question 19

How does nuclear power work?

Answer 19

-> a high energy source of heat is created
-> this heats water into a steam
-> the steam drives a turbine
-> the turbine generates electricity

Question 20

Name 3 advantages of nuclear power?

Answer 20

✅Clean and Efficient
✅Power plants don’t take up a lot of space
✅It’s a reliable source of energy

Question 21

Name 2 disadvantages of nuclear power.

Answer 21

❌The waste it creates is radioactive, which can damage the environment and land forms
❌if there is a problem the reactor could explode

Question 22

What drives the turbine to create electricity in a nuclear power plant?

Answer 22

Steam

Question 23

What does HEP stand for in terms of renewable energy?

Answer 23

Hydro-electrical power

Question 24

What can we do to energy that is not needed at the time of generation?

Answer 24

We can store it.

Question 25

Where do kinetic pumped storage systems use energy from to generate power?

Answer 25

Motion

Question 26

Alkaline batteries come in different sizes and…

Answer 26

…voltages