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