Monday, 13 Oct

Objective: articulate conceptual and graphical models

Agenda:

Welcome and overview
Engage
1. Consider this idealized graph of temperature change vs. time when you add enough energy to water from ice to boiling
2. Respond to the following prompts in your notebook
  1. In part 2 of the graph, the temperature increases. What is likely going on at the molecular level?
  2. In parts 1 and 3 of the graph, the temperature does NOT increase. What is happening at the molecular level?
3. Generate a consensus model with your tablemates.
Explain: Share your thinking with your classmates
Elaborate
1. Consider: Do you suppose that all materials behave this way?
2. Consider: How would the graph change if we added more mass?
3. Formalize our knowledge; attend to this brief presentation ppt or pdf
4. Refine your conceptual model. Add a graphical model
Extend
1. Deliverable Complete conceptual problem set Word or pdf. NOTE: You may work with a partner if you wish, but must complete your own responses
2. Consider using Chpt 23 as a resource.
Next steps and closing

Homework:

Due Tuesday, 14 Oct @ start of class: Complete conceptual problem set if you have not already done so.

Tuesday, 14 Oct

Objective: generate and use a mathematical model of heat of fusion and heat of vaporization

Agenda:

Welcome and overview
Engage
1. How would a temperature vs. time graph change if you used a more powerful burner, i.e., if you added energy more quickly?
2. Brainstorm places where phase change is used in biological, commercial, and industrial settings
Review answers practice questions from yesterday
Extend conceptual model of melting and boiling to graphical and mathematical models
1. Make an energy and temperature vs. time graph
  1. left-axis; energy vs. time
  2. right-axis: temperature vs. time
2. Where does the energy go when the substance is melting? Where does the energy go when the substance is heating up? Where does the energy go when the substance is boiling?
3. Attend to this brief presentation ppt or pdf
  1. Capture key definitions and mathematical models in your notebook: heat of fusion; heat of vaporization
  2. Model
4. Guided practice
5. Individual practice
  1. All: complete set A
  2. Students in Alg 2+: complete set B as well
6. Deliverable Complete the problem set; we will evaluate it in class on Thursday
Next steps and closing

Homework:

Due Thursday, 16 Oct @ start of class: If you have not already done so, complete your problem set

Wednesday, 15 Oct

Objective: outline scope of project; begin initial design

Agenda:

Homework:
due Friday, 17 Oct Conceptual model and technical sketches due <start of class on Friday, 17 Oct

Thursday, 18 Oct

Objective: review heat of fusion and heat of vaporization problem set

Agenda:

Welcome and overview
Prime the pump
1. Clarify questions with your tablemates
Score your problem set
1. standard key
2. challenge key
Deliverable due before end of class:
1. Submit your scored problem set
2. Complete this brief reflection
When you finish, work on your heat shield design
Next steps and closing

Plan ahead:

see Thursday

Friday, 19 Oct

Objective: estimate amounts to create your design

Agenda:

Welcome and overview
Engage
1. Suppose you are planning a party. What's the three best foods to eat at a party?
2. If you were planning a party for 10 people, how much of each type of food would you know to buy?
Review calculations for lines, areas, and volumes ppt pdf
Practice
1. Model
2. Guided
3. Independent: Estimate amounts needed for YOUR design. Success criteria for amounts
  1. each material listed
  2. sketch showing where material is used
  3. appropriate amount listed for each material
4. Deliverable Complete the estimated amount of materials required to build your device
Next steps and closing

Homework:

Due Monday, 20 Oct: Completed estimate for each material [agenda item 4]