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