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