physics unit 1

Question 1

what is energy

Answer 1

energy is a measure of what we can do

Question 2

what energy store is involved when an object speeds up or slows down

Answer 2

kinetic energy

Question 3

what is the energy store used when an object is lifted up or dropped down (on a planet with a gravitational field)

Answer 3

gravitational energy

Question 4

what is the energy store involved when an object is stretched or squashed

Answer 4

elastic energy

Question 5

which energy is involved when people or machines push objects

Answer 5

transfer by a force

Question 6

which energy transfer is involved in an electric circuit

Answer 6

transfer by an electric current

Question 7

what transfer is involved when an object absorbs or produces light or sound

Answer 7

transfer by waves

Question 8

name five energy stores

Answer 8

chemical, thermal, kinetic, elastic and gravitational

Question 9

name four energy transfer

Answer 9

by wave, electric current, force and transfer from heat or cold