Mechanical Energy Games
Install the appropriate renewable energy sources into each country to save the WORLD.
Change the height of the hills of the roller coaster, watch the roller coaster move, and observe the change of kinetic and potential energy.
Build ramps, tracks, and jumps for a skater. View the friction and kinetic and potential energy of the skater as he moves. You can also choose to have skater go to different planets or even space!