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