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