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