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