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