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

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

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

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

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

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

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

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

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

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

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

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

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

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