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