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

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

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

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

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

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

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

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

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

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

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

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

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

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