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