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