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