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