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