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