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