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