Bridges

Area of Interaction: Human Ingenuity === Significant Concepts: Basic design concepts. === === Unit Question: How is the Design Cycle important to the successful outcome of a project? ===

INVESTIGATE: (Day 1) Spend one day playing the following games: [|Game 1:] Click "Level 1" to begin

[|Game 2:] Click "Start" to begin

Design Brief: (Day 2) Requirements: Your bridge should cross over an index card. Your bridge should be 5 - 6 inches high. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">Your bridge should 4 - 5 inches wide. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">Your bridge should hold at least 100 pounds. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">You get one handful of popsicle sticks. <span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">Questions: <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">1. What is the strongest type of bridge?' invisible world <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">2. What bridge would work best for me? invisible world <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">3. What geometric shape is the strongest structure? triangle <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">4. Other questions and answers you may have: <span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">Research Sites to Help You Answer the Questions Above: [|How Stuff Works:] [|Instructables:] [|Student Ideas:] [|Truss Bridge:] [|Building a Bridge:] [|eHow:]

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">PLAN: (1/2 Day) <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">5. Use a blank piece of paper to draw a rough draft of your bridge. <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">6. On your paper include why you think this bridge will hold the most weight.

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">CREATE: (4 DAYS) <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">7. Did you use all of the glue, popsicle sticks and other materials appropriately?Yes <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">8. Did you work with your group members appropriately?Yes

<span style="color: #800000; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">EVALUATION: <span style="color: #0000ff; font-family: 'Arial Black',Gadget,sans-serif; font-size: 20.8px;">9. Did you research bridge types?Yes