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