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