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