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