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