Forms Of Energy

Question 1

What is energy?

Answer 1

Quantity related to work

Question 2

What is potential energy?

Answer 2

Stored energy that has potential to turn into another type of energy

Question 3

What is gravitational potential energy?

Answer 3

Energy of an object at a height

Question 4

What objects are affected by gravitational potential energy?

Answer 4

Aeroplanes, kites and mugs on a table
Anything evevated

Question 5

What is magnetic energy?

Answer 5

Energy stored when repelling polesd have been pushed closer together
Energy stored when attracting poles have been pulled further apart

Question 6

What objects are affected by magnetic energy?

Answer 6

Fridge magnets
Compasses
Maglev trains

Question 7

What is thermal(internal) energy?

Answer 7

Total kinetic and potential energy of particles in an object
In hotter objects particles have more internal energy and vibrate faster

Question 8

What contains thermal energy?

Answer 8

Human bodies
Hot coffee
Stoves or hobs
Ice particles but they vibrate slower

Question 9

What is chemical energy?

Answer 9

Energy stored in chemical bonds

Question 10

What contains chemical energy?

Answer 10

Food
Muscles
Electrical cells

Question 11

What is kinetic energy?

Answer 11

Energy of a moving object

Question 12

What contains kinetic energy?

Answer 12

Runners
Buses
Comets
All moving objects

Question 13

What is electrostatic energy?

Answer 13

Energy stored when repelling charges have been moved closer together
Energy stored when attracting charges are pulled further apart

Question 14

What contains electrostatic energy?

Answer 14

Thunderclouds
Van de graff generators

Question 15

What is elastic potential energy?

Answer 15

Energy stored when an object is stretched or squashed

Question 16

What contains elastic potential energy?

Answer 16

Drawn catapults
Compressed springs
Inflated balloons

Question 17

What is nuclear energy?

Answer 17

Energy stored in the nucleus of an atom

Question 18

What contains nuclear energy?

Answer 18

Uranium nuclear power
Nuclear reactors

Question 19

What is a system?

Answer 19

Am object or a group of objects

Question 20

What is an example of energy transfer with a swinging ship?

Answer 20

Kinetic energy is transferred to gravitational potential energy in the sky

Question 21

What is an example of energy transfer using a boat?

Answer 21

Chemical energy from fuel being burned gets turned into kinetic energy as the engine pushes it forward

Question 22

What is mechanical work

Answer 22

Force moving an object through a distance

Question 23

What is electrical work

Answer 23

Charges moving due to a potential difference

Question 24

What causes heating

Answer 24

Due to temperatures difference between objects

Question 25

How does transferring energy with radiation work

Answer 25

Energy transferred as a wave , light and infrared radiation are emitted from the sun as waves

Question 26

What is work

Answer 26

Scientific term for saying energy has been transferred

Question 27

What is energy dissipation?

Answer 27

When energy is wasted in a change of energy in a system

Question 28

How is energy dissipated in a mechanical system?

Answer 28

When two surfaces rub together Friction

Question 29

How does internal energy of surfaces increase in mechanical systems?

Answer 29

Work is done against friction which heats the surfaces

Question 30

How can you reduce heat loss with friction?

Answer 30

Adding lubricant

Question 31

What is conservation of energy?

Answer 31

Energy can be transferred usefully, stored or dissipated but never created or destroyed