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