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