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

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

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

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

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

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

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

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

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

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