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