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