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