A) do work B) conserve energy C) fly D) eat
A) heat B) inertia C) sound D) light
A) a factory B) a fire C) the sun D) the moon
A) rocks and dirt B) life on Earth C) water and oxygen D) stars and planets
A) energy B) an engine C) wings D) wheels
A) sound energy B) solar energy C) nuclear energy D) magnetic energy
A) water B) leaves C) food D) soil
A) energy in food B) the sun C) a magnet D) heat from an oven
A) a magnet B) a radio C) a fire D) the sun
A) power plants B) distant plantes C) dead plants and animals D) the poles of the Earth
A) the energy of motion B) the ability to do work C) energy fromthe sun D) energy stored in an object
A) the energy of motion B) energy from the sun C) the ability to do work D) energy stored in an object
A) energy from the sun B) the energy of motion C) the ability to do work D) energy stored in an object
A) energy fromt he sun B) the energy of motion C) energy stored in an object D) heat energy |