Unit 1 Simple Machines

Week 1 - Levers 9/23- 9/27

1. Monday - Driving question: How can a lever be used to maximize lifting force?
   1. Introduce levers and start the lever lab
   2. LINK TO THE LAB
2. Tuesday- Finish Lever Lab
3. Wednesday- Go over three types of lever problems
4. Thursday- Go over levers worksheet
   1. Answer to the homework
   2. Full work for number one
   3. Game for after the homework. A time-based levers game
5. Friday - Homecoming!!

Week 2- Wheel and Axle & simple machines 9/30- 10/4

1. Monday- Introduce the wheel and axle. How can we use the idea of a lever and apply it to a wheel with an axle?
   1. Homework- Wheel and axle
      1. Key to the unit conversion quiz
      2. Corrections due by 10/8
   2. HELPFUL LINKS
      1. Link to mechanical advantage power point
      2. Simple Machines - The lever video
      3. Key to the Wheel and Axle worksheet
2. Tuesday- go over the Wheel and axle worksheet. Develop conceptual understanding of the wheel and axle.
3. Wednesday- Quiz on levers and wheel and axle.
4. Thursday- Introduce pulleys and discuss how the idea of mechanical advantage can be used for approximations.
   1. Homework - Pulleys worksheet
5. Friday- Go over pulleys worksheet and discuss applications of pulleys

Week 3- Ramps &Wedge 10/7- 10/11

1. Monday- Teacher lead discussion on ramps & wedges. How does a ramp utilize the idea of work to allow us to move heavier loads.
   1. Homework - Ramps/Wedges
   2. Helpful Video for inclined plane
   3. Second Power point notes -
2. Tuesday- Go over the ramps and levers worksheet. Introduce the idea of the screw.
   1. Solutions to the quiz
   2. Solutions to the homework on wedges/inclined planes
3. Wednesday- Review for Simple Machines Test
4. Thursday- Tests
5. Friday- Alliance Laundry System Tour

Week 4- Can Crusher Project 10/14- 10/17

1. Monday- Introduce the project
   1. Build a practice test bed
2. Tuesday - Introduce Can Crusher Project
   1. Compare individual designs
   2. Introduce decision matrix
3. Wednesday- Begin construction on the can crusher
4. Thursday- Work on Can crusher
5. NO SCHOOL FRIDAY

Week 5- Can Crusher Project 10/21- 10/25

1. Monday- Work on Can Crusher Project
2. Tuesday- Work on Can Crusher Project
3. Wednesday- Final day to work on Can Crusher Project
4. Thursday- Present the Can Crushers
5. Friday- Clean up and begin working on gears project
   1. I will be gone this day