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