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