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