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