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