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