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