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