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