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