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