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