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