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