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