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