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