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