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