Materials List:
Sink or Float? Engineering Solutions for a Sticky Situation
https://www.teachengineering.org/activities/view/uof-2498-engineering-solutions-sticky-situation-design
Each group needs:
- toy jeep (such as a Matchbox or Hot Wheels brand)
- plastic container with lid (such as Rubbermaid TakeAlongs Deep Rectangular Food Storage Containers)
To share with the entire class:
- can of diet Coke
- can of regular Coke
- large plastic container (that can hold at least 19 L (20 quarts))
- assortment of objects for testing sink/float on Day 2. Examples: paper clips, Popsicle sticks, pennies, sticks, spoons, apples, plastic spoons, etc.
- box of gelatin packs (containing 36 packets), available online
- 2.3 kg (5 lb) sand (aquarium sand works well), available online
- 2.3 kg (5 lb) pebbles (aquarium gravel works well), available online
- 2.3 kg (5 lb) marbles (clear glass 13 mm (0.5-in) diameter marbles)
- assortment of less dense objects such as mini-marshmallow, mini corks, rice krispies, rubber bands, etc.
- progressive measuring cups (1/4 cup, 1/3 cup, 1/2 cup, 2/3 cup, 3/4 cup and 1 cup)
- access to a refrigerator (to make Jell-O)
- access to hot and cold water (to make Jell-O and for the whole group sink/float activity)
- laptop and screen to show class a PowerPoint presentation and video
- pictures of a set of keys, a rock, a beach ball, a car and a pumpkin (for the pre/post-quiz)
- Book “Sheep in a Jeep” by Nancy Shaw (alternative: read along video on YouTube)
Each student needs:
- lab notebook
- pencil
- tape or glue
- Materials Worksheet