Sources Of Energy

Question 1

Fuel

Answer 1

Is a substance that is burned to release its store of energy

Question 2

Fossil fuel

Answer 2

A fuel obtained from a materials that have been buried underground for millions of years.

Question 3

Biofuel

Answer 3

Fuel that comes from living materials

Question 4

Biofuel

Answer 4

Fuel that comes from living materials

Question 5

Biogas

Answer 5

A gas fuel made by digesting plant and animal material.

Question 6

Renewable energy

Answer 6

Is an energy source that can be replaced after it has been used

Question 7

Nonrenewable energy

Answer 7

Is an energy source that cannot be replaced after it is used up

EG coal crude oil and natural gas

Question 8

Green house effect

Answer 8

The raising of the Earth’s temperature because of gases in d atmosphere that trap heat

Question 9

Global warming

Answer 9

The slight increase in the Earth’s average temperature caused by an increase in the greenhouse effect

Question 10

Climate change

Answer 10

Changes in the earth’s climate resulting from global warming

Question 11

Alternative energy sources

Answer 11

Renewable energy sources that can replace fossil fuels

Question 12

Hydroelectricity

Answer 12

Electricity when water is released from behind a damn

Question 13

Turbine

Answer 13

A device that is made to spin around when water, steam or air pushes past it’s blades

Question 14

Generator

Answer 14

A device that produces electricity when it is forced to spin

Question 15

Gravitational potential energy

Answer 15

The energy stored by an object that has been lifted upwards

Question 16

Electrical energy

Answer 16

Energy carried by an electric current

Question 17

Kinetic energy

Answer 17

The energy of something that is moving

Question 18

Geothermal power station

Answer 18

If power station that generates electricity from the energy of hot rocks underground

Question 19

Visible light

Answer 19

Like that we can see

Question 20

Infrared radiation

Answer 20

Space radiation that can travel through empty space

Question 21

Ultraviolet radiation

Answer 21

Invisible energetic radiation that can travel through empty space

Question 22

Photovoltaic cell or photocell

Answer 22

A device that converts sunlight into electrical energy

Question 23

Stored energy

Answer 23

Energy stored in an object or substance

Question 24

Chemical energy

Answer 24

Energy store that can be released buy a chemical reaction such as burning

Question 25

Alternative sources of energy

Answer 25

Solar energy, wind energy and energy from moving water