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