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