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