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