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