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