We have only two weeks left of school. Please make sure you have all your missing work in by this Friday. Any work not turned in by Friday will stay a zero. This is your last chance to improve your grade if it is needed. This includes any extra credit.
All Missing Work MUST be Turned In By Friday
Some of you need to start or finish assembling your air glider and others are ready for today testing day!
Today is Engineering Testing Day! Teams will test their Air Gliders to see what modifications need to be made for the Race Day!
Key Terms that you need to understand are:
- Air Flow: the flow of air moving past an object
- Thrust: the sudden force forward
- Lift: move in an upward direction
- Resistance: any force that tends to slow or oppose motion such as air resistance or wind resistance.
- Friction: surface resistance to relative motion, as of a body sliding or rolling.
- Weight Distribution: is the apportioning (placement) of weight within a vehicle, specially cars, airplanes, and trains.
- Engineering Testing: to determine from many test runs what will be the most effective and efficient results.
Items to remember when making and testing your air glider:
- Think of the air flow on your glider
- Is anything causing drag to your glider (where is the friction and air resistance occurring)
- Do you need to adjust the weight distribution, move your paper clips or coins, add more of either
- How are you throwing your glider (thrust) are you providing too much force or not enough
- Can both team members throw the glider a distance
- Make only one modification at a time to be able to evaluate the results that modification made on the glider.
If you are still needing to assembly your air glider go to Measurement Day 4 follow the videos to make your glider correctly.
Materials your team will need
- At the front table get a Ruler, a sheet of Card Stock Paper, and instruction sheet (also on the webpage)
- Colored Pencils
- Tape, Glue, Paper Clips
- Coins (get from teacher)
- Scissors (please carry them correctly, end pointing down)
CLT: After completing today’s lesson, I can say I understand and can demonstrate the following:
- Being able to accurately measure is important at school and at home, at work and their future
- Quality workmanship and accurate measurements with rulers are necessary to successfully solve problems.
- How to make modification to test products.
- I can explain how my air glider will work and the effects air, weight and forces on the glider.
Today, we will take photos of the machines that you have constructed and tested. You will research to find the definition and examples of each mechanism that you used. Then you will make a Google Presentation to show your understanding of your machine that you created.
- Your machine
- Camera to take a photo/cable to upload
- Worksheet to assist with your research
- Machine built and working (40 pts)
- Machine consisting of three mechanism 32 pts (B)
- Machine consisting of four mechanism 40 pts (A),
- if your machine has five mechanisms you will receive 10 pts bonus
- You will demonstrate how your machine works and explain the mechanisms used.
- Power Point (35 pts total)
- Photo of your machine 5 pts
- Label your machine the input (drive gears) and output (driven gears) and each mechanism used 6 pts
- Photos of examples of each mechanism you used 8 pts (2 per photo)
- Explanation of how it is used with the mechanism 8 pts (2 per explanation)
- Definition of each mechanism used. 8 pts (2 per definition)
CLT: I can explain how the mechanism built today works. I can identify where is the drive (input) and driven (output) gear for a mechanism? I can explain is the gear is reversible or not. I can explain if the speed and torque increases, decreases, or is constant.