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