Energy

Question 1

Chemical potential energy

Answer 1

Energy stored as chemicals waiting to react

Question 2

Internal or thermal energy

Answer 2

Energy stored in movement slash vibration of particles

Question 2

Gravitational potential energy or gpe

Answer 2

Energy stored in objects raised up

Question 3

Kinetic energy

Answer 3

Energy stored in objects that move

Question 4

Elastic potential energy

Answer 4

Energy stores in an object that have been stretched or compressed

Question 5

How does internal thermal energy increase

Answer 5

Increases with Temperature

Question 6

How does kinetic energy increase

Answer 6

Increases with speed

Question 7

How does gravitational potential energy increase

Answer 7

Increases with height

Question 8

How does elastic potential energy increase

Answer 8

Increases with extension

Question 9

Cost of using an appliance

Answer 9

Cost equals power in kilowatts X time in hours X price per kilowatt hrs

Question 9

How does the power station work

Answer 9

Fossil fuels burn to heat the water and produce a steam steam drives a turbine turbine drives a generator this provides the push that means a current flows in a kettle in your home

Question 10

However in nuclear power stations

Answer 10

Heat is generated by splitting atoms rather than burning fuel

Question 11

Conservation of energy

Answer 11

Energy cannot be created or destroyed only transferred

Question 12

Energy dissipation

Answer 12

The spreading out of energy until it is no longer useful this tends to be in a form of heat energy

Question 13

Fossil fuels

Answer 13

Cold oil and natural gas four millions of years ago from the fossilised remains of sea creatures and trees

Question 14

Non renewable

Answer 14

They could not be replenished in our lifetime

Question 15

Renewable

Answer 15

Can be replenished in our lifetime

Question 16

Unreliable

Answer 16

Depends on the weather