A) eat
B) do work
C) conserve energy
D) fly

A) inertia
B) heat
C) light
D) sound

A) the moon
B) a factory
C) the sun
D) a fire

A) water and oxygen
B) rocks and dirt
C) life on Earth
D) stars and planets

A) an engine
B) wings
C) energy
D) wheels

A) nuclear energy
B) magnetic energy
C) solar energy
D) sound energy

A) water
B) leaves
C) soil
D) food

A) a magnet
B) energy in food
C) the sun
D) heat from an oven

A) a fire
B) a magnet
C) the sun
D) a radio

A) distant plantes
B) the poles of the Earth
C) power plants
D) dead plants and animals

A) the ability to do work
B) energy fromthe sun
C) the energy of motion
D) energy stored in an object

A) the ability to do work
B) energy stored in an object
C) energy from the sun
D) the energy of motion

A) the ability to do work
B) the energy of motion
C) energy stored in an object
D) energy from the sun

A) energy stored in an object
B) heat energy
C) the energy of motion
D) energy fromt he sun