For Day 1: Introduction/Motivation

Each student needs:

• Day 1 Parent Letter
• Pre-Assessment
• science notebook for students to write down observations

Teacher needs:

• 2 purple skittles (any color can be used, but purple had better results than most colors
• clear glass straight sided jar or glass container, ~475 mL (16 oz.)
• ruler
• scissors
• piece of chromatography paper 50 mm x 125 mm (or coffee filter paper), examples available online: https://www.amazon.com/Whatman-3030-6189-Cellulose-Chromatography-Length/dp/B005FM4YYQ
• 6 mL isopropyl alcohol
• 10 mL graduated cylinder
• piece of 75 mm x 75 mm inches aluminum foil
• 1 mL dropper (plastic or glass)
• 3 mL pipette (or toothpick)
• pencil
• small binder clip

For Day 2: Outdoor Investigation

Each group needs:

• Outdoor Investigation Sheet (*optional, student can write it in their journal)
• Outdoor Investigation Rubric
• glue or tape (*optional; only needed if students will glue attachments into notebook)
• science notebooks for each student
• pencil for each student

For Day 3: Running Chromatography

Each group needs:

• Chromatography #1 Worksheet (*optional, student can write it in their journal)
• Exit Ticket (1 ticket per student)
• leaves collected by students
• 2 mortars and pestles (or wooden spoon and jar), 60 cm in diameter
• 2 clear glass straight sided jars or glass containers, ~475 mL (16 oz.)
• plastic wrap to cover the top of the jars
• 2 10-mL graduated cylinder
• container of 6-10 mL of isopropyl alcohol (or solvent of choice)
• 8 pieces of chromatography paper 50 mm x 125 mm (or coffee filters)
• 2 mini binder clips (or mini clothespins)
• safety goggles (1 per student)
• 2 rulers

For Day 4: Running Chromatography

Each group needs:

• Chromatography #2 Worksheet per student (*optional, student can write it in their journal)
• 3-5 leaves collected by the teacher for testing
• 2 mortars and pestles (or wooden spoon and jar), 60 cm in diameter
• 2 half-pint canning jar with lid (or glass cup with saran wrap to cover the top)
• 2 10 mL graduated cylinders
• container of 6-10 mL Isopropyl alcohol (or solvent of choice)
• 8 pieces of chromatography paper 50 mm x 125 mm (or coffee filters)
• Saran wrap
• 4 mini binder clips (2 per pair)
• goggles (1 per student)
• pair of safety gloves (1 per student)
• pencil (1 per student)
• ruler (2 per group)

For Day 5: Create Reflection Project (Post-assessment)

Each group needs:

• Check-in Ticket for each student
• Reflection Project Rubric for each student