The concepts covered by this set are:
- Identifying all three classes of lever and testing them to determine how they operate
- Identifying key parts of levers: effort arm, resistance arm, and fulcrum
- Comparing and contrasting how different levers function
- Discussing how levers change the direction and/or amount of force applied to do work
- Identifying appropriate places where levers are used
- Identifying different types of pulley systems and testing them to determine how they operate
- Identifying key parts of a pulley system
- Comparing and contrasting how different pulley systems function
- Identifying appropriate places where different pulleys are used
- Discussing how pulleys change the direction and/or amount of force applied to do work
Models include:
Seesaw, Balance, Wheelbarrow, Hockey Stick, Scissors, Flagpole, Sailboat, Block and Tackle.
