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