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