Describe at least two different objects that you think are
magnetic. Why do you think these objects are magnetic?

To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?

This energy transformation diagram represents the energy of a skateboarder moving along a half-pipe. as she skates toward the top of the half-pipe, her original kinetic energy is converted to potential energy and friction. how much of the energy is potential?

Which of these metals are magnetic?