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