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