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