Energy

Question 1

Joules - KJ
MJ
GJ

Answer 1

Kj ( kilojoules ) 1kj = 1,000J
Mj ( megajoules) 1mj = 1,000,000j
Gj ( gigajoule) 1gj = 1,000,000,000j

Question 2

Renewable

Answer 2

This is an energy source that can be used over and over again

Question 3

Non -renewable

Answer 3

This is an energy source that can only be used once

Question 4

Kinetic

Answer 4

Kinetic energy is the energy of motion. The faster the movement the greater the energy

Question 5

Potential

Answer 5

Potential energy is the energy an object or system has because of the position of its parts. It’s often thought of as “ stored” energy

Question 6

Gravitational

Answer 6

Gravitational potential energy is the energy an object or system has because of its height above the ground

Question 7

Elastic

Answer 7

Energy stored in an elastic material that has been squashed stretched or bent

Question 8

Chemical

Answer 8

Chemical energy is stored in the bonds of chemical compounds

Question 9

Nuclear

Answer 9

Nuclear energy is the energy that is released when the nuclei of atoms are either split ( fission ) or united ( fusion )

Question 10

Light

Answer 10

Light energy is the energy transmitted by electromagnetic radiation

Question 11

Sound

Answer 11

Anything that makes a noise produces sound energy. It is a wave of vibration in the material it travels through and so is a form of kinetic energy

Question 12

Thermal

Answer 12

Heat energy or thermal energy is the energy something has because of the motion of its individual molecules

Question 13

Electrical

Answer 13

The energy produced when an electric current flows

Question 14

This is a measure of how quickly the energy is being used

Answer 14

This is called power

Question 15

Wood fire

Answer 15

Input chemical

Output heat light

Question 16

Drawing a bow

Answer 16

Input kinetic

Output lastic

Question 17

Firing an arrow

Answer 17

Input kinetic

Output lastic

Question 18

Riding a motorbike

Answer 18

Input chemical

Output kinetic sound heat

Question 19

A crying baby

Answer 19

Input chemical

Output sound

Question 20

A falling apple

Answer 20

Input gravitational

Output kinetic

Question 21

A wind turbine

Answer 21

Input kinetic

Output electrical sound

Question 22

A torch

Answer 22

Input chemicals

Output light and heat

Question 23

Which sources produces the least co2

Answer 23

Nuclear energy

Question 24

Which of these sources is the lowest risk

Answer 24

Gas

Question 25

Which of these sources is the highest risk

Answer 25

Nuclear energy

Question 26

Which does the uk have the best supple of

Answer 26

Uk has the best supply of coal

Question 27

Most reliable / flexible

Answer 27

Gas and oil

Question 28

Name of group of fuels that’s coal oil and gas fall under

Answer 28

Fossil fuels

Question 29

How was coal formed

Answer 29

It was formed 300 million years ago when the earth was covered with swampy forest

Question 30

Coal

Answer 30

It’s cheap
It’s renewable
Coal is simple to store

Question 31

Solar

Answer 31

Reduces electric bill
Environmently friendly
Energy independence

Question 32

Wind

Answer 32

Wind creates jobs
It’s a clean fuel source
Wind creates can be built on existing a farms or ranches

Question 33

Nuclear

Answer 33

Most carbon energy sources
It has one smales carbon foot prints
Renewable and cost effect

Question 34

Hydroelectric

Answer 34

Renewable

Low emisions

Question 35

Disadvantages - coal

Answer 35

It’s a negative impact on the environment

Question 36

Disadvantages - solar

Answer 36

Use a lot of space

Question 37

Disadvantages - wind

Answer 37

Unpredictable

Threat to wildlife

Question 38

Disadvantages - nuclear

Answer 38

Accidents

Question 39

Disadvantages - hydroelectric

Answer 39

It’s expensive

Not soft