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