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