heating and energy resources

Question 1

what is thermal equilibrium

Answer 1

when objects reaches the same temperature

Question 2

process of thermal equilibrium

Answer 2

hotter objects transfer energy to cooler objects
hotter objects cool down cooler objects get hotter
carries on until they reach same temperature

Question 3

what is conduction

Answer 3

where vibrating objects transfer energy to neighbour particles

Question 4

what is radiation

Answer 4

where objects gives off invisible waves to transfer energy to surroundings

Question 5

what is an insulator

Answer 5

material that transfers energy slower than others

Question 6

what supplies all of the energy on earth

Answer 6

the sun

Question 7

what are the 6 energy resources

Answer 7

wind, waves, solar cells, biomass, food, fossil fuels

Question 8

what do we use energy resources for

Answer 8

electricity, heating, transport

Question 9

example of non renewable and renewable resources

Answer 9

fossil fuels, solar energy - wind and waves

Question 10

what is the one problem of renewable resources

Answer 10

there inconsistent