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