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