Bill Nye, the Science Guy: It's Like a Ramp and a Ladder, Combined
08:13 - 09:45
1m 32s

Bill climbs down a firepole and wants to get back up. He uses simple machines such as ramps and levers to spread out the work and make it easier to get back up. Also, Bill explains that we use ramps every day in the form of stairways.



Please sign in to write a comment.