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