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