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

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

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

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

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

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

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

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

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

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

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

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

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

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