Part 1 (Day 1)

Each student needs:

• Activity Pre/Post-Quiz
• Engineering Design Challenge Rubric

Teacher Demonstration needs:

• two 250 mL beakers
• hot plate
• tap water
• pH indicator litmus paper, or a pH probe (if accessible) with buffers
• dish towel
• strainer
• rubber mallet, food chopper, or mortar and pestle
• scale, electronic or triple beam balance
• vegetables, fruits, spices and beans, or flowers for demonstration (vegetables - beets, onion peels, red cabbage, spinach; fruits - berries, cherries; spices and beans - turmeric, coffee, tea; flowers - marigolds, dandelions, zinnia;) as an example, one pint of strawberries or blueberries for color extraction works well

Part 2 (Day 2-4)

Each student needs:

• Organic Chemist Recording Guide for Applying Natural Dyes
• Organic Chemist Recording Guide for Extracting Natural Dyes
• Additional Data Chart (optional)
• Day 2 Exit Slip
• Technician’s Plan Sheet

Each group needs:

• three different types of organic materials from Day 1 (students can select these)
• three 250 mL beakers
• strainer
• tap water
• hot plate
• rubber mallet, mortar and pestle, or food chopper
• safety goggles
• three 1-gallon Ziploc bags
• dish towels
• three stir rods
• paint brushes
• three to six pieces of copy paper or watercolor paper per dye. Suggest strips 0.00581m² (1/16 ft²) in size.  (tested with: Strathmore Paint Pad, 100 Series https://www.strathmoreartist.com/kids/strathmore-100-seriesyouth-paint-pad.html) 
• 100 mL beakers or test tubes of the three test solutions: white vinegar 5%, lemon juice, red cabbage water, baking soda solution
• several droppers (plastic, 1 mL)
• hair dryer or fan
• pH paper (provide lots of pieces for experimentation!) or a pH probe with buffers
• scale, electronic balance or triple beam balance
• three Organic Chemist Recording Guide for Applying Dyes

Part 3 (Day 5-6)

Each student needs:

• Organic Chemistry Lab Sheet
• Proposal Guidelines for Verbal Presentations (for verbal presentations) or Proposal Guidelines for Written Presentations (for written)
• Organic Chemist Recording Guide for Extracting Dyes
• Activity Post-Quiz

Each group needs:

• computers with presentation software (verbal), google doc (written)
• Proposal Checklist for Verbal Presentations or Proposal Checklist for Written Presentations

To share with the entire class (if using verbal presentations):

• computer with projector
• easel