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

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

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

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

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

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

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

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

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

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

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

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