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