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