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