Materials List:
Proof of Concept:
Miracle Drug Encapsulation
https://www.teachengineering.org/activities/view/uoh_body_lesson01_activity1
Miracle Drug Encapsulation
Each group needs:
- 1 perforated, hollow plastic ball, such as a 4-inch diameter Wiffle® ball; such as a pack of 6 for $5.49 at Target (see Figure 1); save any plastic netting that comes with the packaging
- colorful drink flavoring powder, such as a Kool-Aid® packet for 20¢ at grocery stores or as available in multi-serving containers
- There Will Be Drugs Worksheet, one per student
- (optional) computers/tablets with Microsoft® PowerPoint® or other drawing application, for students to draw design diagrams; alternative: have students draw by hand using paper and pencil
General prototype fabrication supply materials (suggestions; add or omit as desired):
- paper towels
- newspaper
- printer paper
- cardboard
- shop towels, such as a three-pack for $6.28 at Home Depot
- dish packing foam, such as a 50-ft dish foam roll for $7.48 at Home Depot
- weed-barrier landscape fabric, such as 3-ft x 50-ft roll for $9.97 at Home Depot
- plastic cling wrap
- bubble wrap
- balloons
- papier-mâché materials (again, just a suggestion; add or omit as desired)
- flour
- glue, such as Gorilla Wood Glue® and/or Elmer's® glue
- duct tape
- masking tape
- paint tray liner, such as one for 98¢ at Home Depot
Testing materials (ideally one testing station per group; see Figure 2):
- buckets, sinks, tubs or a small plastic pool, such as 5-gallon buckets for $3 each at hardware stores
- water and sink; if drink mix colors the water, replace with clean water for next test
- waterproof weights, such as metal washers or bricks
- lightweight plastic netting, saved from the Wiffle® ball packaging
- string or twine; use the string, netting and weights to hold the prototypes underwater during testing
- stopwatches or other timers
To share with the entire class:
- scissors
- extra paper for sketching