Mini-Lesson: 

The teacher needs:

• Stress-Strain Mini-Lesson PowerPoint (Teacher Version)

Each student needs:

• Stress-Strain Mini-Lesson PowerPoint (Student Version)

Stereognosis Station:

Each group needs:

• sleep masks, blindfolds, or bandannas (one per student)
• foam samples mounted to something such as a plastic lid (see Before the Activity section)
• paper lunch bags (one per sample)
• Stereognosis Activity Worksheet, one per person

To be used by the teacher ahead of time:

• Mr. Clean Magic Eraser sponge
• Blue Cello Kitchen sponge
• X-Acto knife or sharp scissors
• punch tool set
• rubber mallet
• hot glue gun and glue
• 6 plastic lids (Noosa Yogurt tops ~4.5-inch diameter work well)
• chicken drumsticks (two to three packages, depending on number of students)
• 3.75 L vinegar
• 1 L mason jars (enough to calcify a number of chicken bones)

I Don’t Wanna Be a Chicken Station:

Each group needs:

• laptop or Chromebook with access to Desmos (www.desmos.com), a free online graphing calculator.  In order to save or share files, students can create an account or login using their school Google account. 
• I Don’t Wanna Be a Chicken Activity Worksheet, one per person
• Specimen Data Set (A, B, or C) to be assigned by the teacher (see I Don’t Wanna Be a Chicken Activity Worksheet)
• printed copy or link to 3-Point Bend Test on a Mouse Scholarly Article

No Bones About It Station:

Each group needs:

• No Bones About It Activity Worksheet, one per person
• decalcified chicken bone cross sections: one hollow core, soft core, one hard core
• pair of safety glasses for each student handling the chicken bones or punching foam samples
• pair of rubber gloves for each student handling the chicken bones

To share with the entire class:

• Arduino-controlled stepper-motor driven load cell with staging area, see Force Sensor Instructions PowerPoint and explanations on Arduino.cc
• USB Microscopic camera with respective image-capture software, see Force Sensor Instructions PowerPoint
• desktop or laptop with Arduino software and ImageJ software (or comparable)
• various foams and soft materials (one soft foam such as Mr. Clean Magic Eraser and a hard foam such as a discount store stadium cushion or gardening knee pad, or organic materials such as marshmallows or gummy bears)
• leather hollow punch tool set
• rubber mallet
• container of antibacterial wipes
• absorbent mat pads to cover the work surface (if scientific pads not available, use puppy training pads)