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