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