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