LS4 D Biodiversity and HumansPS1-6. Asking QuestionsLS1-4. Developing and Using Models
(amount varies depending on class size)Containers:
- 1 Pop bottles (2-liter) cut in half for each group
- 1 medium containers for access water per group
- 3 Large containers of Dirty water
- Beads or foam particles
- Dirt
- Sprinkles
- Food coloring (preferably different colors for each dirty water container)
- Vinegar
- Baking Soda
- Dish soap
- etc.
Filtration items:
- Rocks
- Sand
- Cheesecloth
- Tissue
- Coffee Filter
- Netting
- Cotton Balls
- Active Charcoal
Worksheets:
- Results - url https://www.authorea.com/375910/MVKYtkLRRrdIPFTJDcj9cA
- Debrief - url https://www.authorea.com/375909/sQutwf2yWTyVSw1GRdJr_A
Props:
Small bottle of filtered water (1 for each student)Clean-up/Misc. items:
- Paper towel
- Rubber bands
- Tape
- Scissors
- Pens/Pencils/Markers
- 1 clear measuring cup per group
- Paper or Plastic cups (for filtration items)
- Something to scoop the dirty water in the measuring cup
- 6 test tubes per group