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