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