Energy and Energy Tranfer

Question 1

What is biomass?

Answer 1

The dry mass of energy in an organism

Question 2

What is chemical store?

Answer 2

Energy that is stored in food, batteries or fuels

Question 3

What is conduction?

Answer 3

The movement of heat through solids.

Question 4

What is convection?

Answer 4

The movement of heat through liquids and gases.

Question 5

What does it mean for energy to dissipate?

Answer 5

It means energy spreads out into the enviroment.

Question 6

What is elastic store?

Answer 6

Energy that is stored when an object has changed shape - for exsample, a spring or elastic band.

Question 7

What is emit?

Answer 7

To realease or give out.

Question 8

What is energy?

Answer 8

There are many different types of energy - for exsample, heat and light. The unit of energy is the joule (J).

Question 9

What are folssle fuels?

Answer 9

Coal, oil and gas - these were formed from dead animals and plants over millions of years.

Question 10

Gravitational potential

Answer 10

This type of energy is possessed by anything whitch can fall

Question 11

Infrared radiation is..

Answer 11

Radiation gven off by the sun

Question 12

A joule is…

Answer 12

The unit of energy; the symbolfor it is J.

Question 13

Kilojoule is…

Answer 13

Also a unit of energy; symbol is KJ and 1000J is 1KJ

Question 14

Kilowatts are…

Answer 14

The symbol is KW, 1 KW = 1000KW

Question 15

Kinetic energy

Answer 15

This type of energy relates to movement

Question 16

Watts

Answer 16

the unit of power - the symbol is W

Question 17

Temperature is…

Answer 17

How hot or cold somthing is, measured in degrees centegrade

Question 18

What is a thermometer?

Answer 18

A device that can be used to measure temperature.

Question 19

What is nuculear energy?

Answer 19

This is released from nuclear reactions

Question 20

What is radiation?

Answer 20

The transfer of heat as a wave. Heat rediation is affecttedby surface, colour and texture.