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

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

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

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

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

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

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

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

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

A) the poles of the Earth
B) power plants
C) distant plantes
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) energy stored in an object
B) the energy of motion
C) energy from the sun
D) the ability to do work

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

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