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