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