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