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