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