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