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