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