Day 1:

Each student needs:

• Access to map of PFAS found in the United States: https://www.ewg.org/areas-focus/toxic-chemicals/pfas-chemicals
• 1 Notice and Wonder Sheet
• 1 pen or pencil

For the class to share:

• 1 laptop/computer with project and internet access (to show video)

Day 2:

Each student needs:

• 1 copy of the article All the Stuff in Your Home That Might Contain PFAS ‘Forever Chemicals’
• 1 highlighter
• 1 Filtration System Design Packet

For the class to share:

• 1 laptop/computer with project and internet access (to show video)

Day 3:

Each group needs:

• 1 plastic 2-liter bottle with the base cut off
• 1 ruler
• 1 cup of dirty water from a local body of water
• 1 plastic cup (to collect filtered water)

For the class to share:

• coffee filters
• gravel (large and small)
• sand (smooth and coarse)
• marker (to label filtered water cups)
• (optional) carbonated charcoal for one group to use

Day 4:

Each group needs:

• Filtration System Design Packet

Day 5:

Each group needs:

• 1-2 cups of water (with 2-3 drops of food coloring)
• 1 plastic 2-liter bottle with the base cut off
• 2-3 clear plastic cups to collect the water samples
• activated charcoal (presoaking will take away its darker color)
• 4 cotton balls
• Filtration System Design Packet

For the class to share:

• water quality tester
• 1 laptop/computer with project and internet access (to show video)
• food coloring