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