energy

Question 1

how can we tell if something has a high or low energy

Answer 1

by seeing if its a good conductor

Question 2

what the the description for elastic energy give eg

Answer 2

a stretched or squeezed material eg rubber band

Question 3

what the the description for kinnetic energy give eg

Answer 3

a moving object eg cheetah

Question 4

what the the description for chemical energy give eg

Answer 4

atoms react together eg burger

Question 5

what the the description for heat energy give eg

Answer 5

a material warms up eg fire

Question 6

what the the description for nuclear energy give eg

Answer 6

fission or fusion reactions eg bomb

Question 7

what the the description for gravitational energy give eg

Answer 7

objects with mass feel attraction eg person

Question 8

what the the description for magnetic energy give eg

Answer 8

metals that push or pull eachother eg magnet

Question 9

what the the description for electrostatic energy give eg

Answer 9

charged particals attract eg static electricity

Question 10

what does efficent mean

Answer 10

preforming in the best way without wasting time or effort

Question 11

how do you find out the efficiency of something

Answer 11

useful energy out
————————————– (x100)
total enegry supplied in

Question 12

renewable energy source will ___ be used up

Answer 12

never

Question 13

a non-renewable energy source will___ be used up

Answer 13

eventually

Question 14

what is sustainability

Answer 14

the use of resource so that it does not run out

Question 15

what does energy mean

Answer 15

to be able to ‘do work’