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