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