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