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