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