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