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