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