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