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