Yr8 science – energy help !?
I just want to check my answers so please answer them correctly !
1) Which of the following is not a fuel?
A coal
B food
C steam
D petrol
2) Which one is not a good example of something that had useful energy?
A wind
B sunshine
C a concrete post
D a wooden log
3) select from the at the bottom the useful form of energy in:
gravitational potential
kinetic
elastic potential
chemical
sound
heat
light
electric
a) a person standing on a bridge about to do a bungy jump
b) a person doing a bungy jump from a bridge when the bungy rope is fully stretched and the personis at the bottom
c) a person doing a bungy jump from a bridge just before the rope slows the person down
d) the battery in tour torch
e) the headlights of your car shining onto the road
f) a large boulder balanced on the edge of a cliff
g) boiling water in a saucepan on the stove
I am going to ask another question later on, plz answer that too !
C
C
a – gravitational potential
b – elastic potential
c – kinetic
d – chemical
e – light
f – graviational
g – heat
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