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