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