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12 questions
Like with __________ scientists aren’t really sure
what energy is.
gravity
motion
water
solids
But they know what energy does.
It makes things ________.
smile
lighter
harder
move
Energy creates a __________.
house
atom
force
rock
By a force we mean a push or a _______.
solid
fall
chemical
pull
All matter (visible things) are affected by energy
whether stopped or ____________.
still
gas
heat
moving
Energy is seen at work in _______ different ways.
3
5
7
6
Energy works through machines called ___________ energy.
mechanical
heat
fast
old
Through wires called _________________ energy.
mechanical
electrical
solid
fire
Through molecules called __________ energy.
hot
fast
electrical
heat
Through chemicals called _________ energy.
laboratory
rust
wave
chemical
Through nuclear reactions called ___________
energy.
new
old
nuclear
freezing
Through waves called _________ energy.
wave
heat
ship
muscular
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