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