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Goal: Build a bridge(s) that allows for a balance of community needs
Role: You are a bridge(s) designer tasked with building a bridge to join 2 communities together
Audience: Communities on either side of the river
Situation: Both communities on each side of the river want a bridge(s) built.
Performance: Students will build popsicle bridge(s) that balances the needs for each community.
You will design a way to join 2 communities together via 1 large bridge or 2 small ones.
You will design a way to join 2 communities together via 1 large bridge or 2 small ones.
Community 1: Kasperville- This community has a thriving dowtown area with a lot of shopping, restaurants, and local businesses that sell food.
Community 1: Kasperville- This community has a thriving dowtown area with a lot of shopping, restaurants, and local businesses that sell food.
Community 2: Beartown- A thriving rural community that has farms, and feeds Kasperville from milk, to fruit, to vegitables & meat.
Community 2: Beartown- A thriving rural community that has farms, and feeds Kasperville from milk, to fruit, to vegitables & meat.
Both Kasperville and Beartown want to build connection between the two communities over the river that separates them. The communites can build 1 LARGE BRIDGE or 2 SMALL BRIDGES to join the two towns.
Both Kasperville and Beartown want to build connection between the two communities over the river that separates them. The communites can build 1 LARGE BRIDGE or 2 SMALL BRIDGES to join the two towns.
Your job is to decide whether you are going to build 1 bridge at ONE site or 2 bridges at BOTH sites.
Your job is to decide whether you are going to build 1 bridge at ONE site or 2 bridges at BOTH sites.
Tolls (A tax to pass over the bridge(s)
Tolls (A tax to pass over the bridge(s)
- Must have toll tax.
- Must tell how the toll will be spent to solve any negative issues listed below.
- Toll used effectively will be awarded up to 20 extra popsicle sticks in increments of 5 sticks (total of 20 sticks)
Performance Task (What you need to do)
Performance Task (What you need to do)
Step 1: Decide where you are going to build 1 bridge at ONE site or 2 bridges at BOTH sites., Use the worksheet that Mr. Kasper gives you.
Step 1: Decide where you are going to build 1 bridge at ONE site or 2 bridges at BOTH sites., Use the worksheet that Mr. Kasper gives you.
Site A (Are you building a single bridge or 2 bridges) (One for each site)
Site A (Are you building a single bridge or 2 bridges) (One for each site)
Kasperville Located in the heart of downtown
Kasperville Located in the heart of downtown
- Positives:
- Located in the heart of downtown.
- Short distance from farms means food will be cheaper
- Negatives:
- Trucks will clog city streets
- Diesel trucks stink
- Diesel trucks are noisy
Bearville Right next to farms
Bearville Right next to farms
- Positives:
- Right next to farms (Cheap food)
- Easy & shipping of food
- Negatives:
- More traffic by farms
- More traffic by farms (more traffic means more pollution- more pollution means less food will grow.) Farmers hate that.
Site B (Far away from town)
Site B (Far away from town)
- Positives:
- Away from city
- Less noise/stink/traffic in city
Can go to the backside of Kasperville and the backside of Bearville. This reduces traffic in to the downtown and helps traffic in Bearville.
- Negatives:
- Longer distance for trucks to travel=> Higher food costs
- Longer travel times
Step 2: Decide how you are going to use the mandatory Tolls (Taxes) to reduce the negative affects of building the bridges. This MUST be in CER format.
Step 2: Decide how you are going to use the mandatory Tolls (Taxes) to reduce the negative affects of building the bridges. This MUST be in CER format.
20 Sticks: Toll taxes is used in a real and practical way. It is a clever solution that has creative flair and solves 4 issues at the same time. Solutions build and work off of each other.
15 Sticks: Toll taxes is used in a real and practical way. It is a clever solution that solves 3 issues. Solutions build and work off of each other.
10 Sticks: Toll taxes are used to solve 2 separate and independent issues. Solutions do not build and work off of each other.
5 sticks: Toll taxes are used to solve 1 issue. Solution stands by itself as a single solution.
Step 3: Once you get approval from Mr. Kasper to build your bridge, you must decide what type of Truss bridge to build. You must decide from 6 different types of Truss bridge designs.
Step 3: Once you get approval from Mr. Kasper to build your bridge, you must decide what type of Truss bridge to build. You must decide from 6 different types of Truss bridge designs.
Truss Bridge Designs: Pick One
Truss Bridge Designs: Pick One
Step 4: Once you have picked a design, you must do a technical drawing of the bridge. It must be done like the lego technical drawing- an exact 1 to 1 drawing of what you are going to build- it must be the exact design you use. For those of you that have 2 bridges, you only have to do 1 technical drawing. You may modify it as you see fit. (REMEMBER: THESE ARE PROVEN REAL WORLD WORKING DESIGNS.)
Step 4: Once you have picked a design, you must do a technical drawing of the bridge. It must be done like the lego technical drawing- an exact 1 to 1 drawing of what you are going to build- it must be the exact design you use. For those of you that have 2 bridges, you only have to do 1 technical drawing. You may modify it as you see fit. (REMEMBER: THESE ARE PROVEN REAL WORLD WORKING DESIGNS.)
Step 5: Watch Bridge Tutorial #1 AND #2 Before you start doing your Technical Drawing
Step 5: Watch Bridge Tutorial #1 AND #2 Before you start doing your Technical Drawing
Bridge Tutorial #1
Bridge Tutorial #1
Bridge Tutorial #2
Bridge Tutorial #2
Bridge Design Requirements
Bridge Design Requirements
All Bridges
All Bridges
No sandwiching of sticks more than 3 if its used as a joint or 2 if used as a beam
Only Butt, Miter, or Gusset joints are allowed
Small Bridges
Small Bridges
Small bridges must have an internal road bed of 2” (Will be measured) ROAD DOESN'T HAVE TO BE COMPLETED
Small bridges must support 20 lbs. apiece
Small bridges must span a minimum of 7” and use a minimum of 50 popsicle sticks & a maximium of 60 popsicle sticks
Large Bridge
Large Bridge
Large bridges must have an internal road bed of 3.5” (Will be measured) ROAD DOESN'T HAVE TO BE COMPLETED
Large bridges must support 40 lbs. apiece
Large bridges must span a minimum of 14” and use a minimium of 100 popsicle sticks & a maximium of 120 popsicle sticks
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