Filtration and Engineering Materials
- Transparent plastic bottles (pre-cut to use as funnels)
- Fine sand
- Small and large gravel / pebbles
- Activated charcoal
- Coffee filters, cloth, or paper towels
Testing Materials
- “Polluted water” (clean water mixed with soil, sand, leaves, food colouring)
- Clear containers for collecting filtered water
Classroom and Documentation Materials
- Planning sheets with filter diagrams
- Observation worksheets (drawing + text versions)
- Pencils, crayons, markers
- Measuring cups, small containers
Safety and Organization Materials
- Trays or plastic table covers
- Paper towels, cloths
- Child-safe scissors, tape
- Hand-washing supplies
Visual and Support Materials (optional but recommended)
- Illustrated story prompt (Lary/Mary’s Adventure)
- Visual instruction cards with icons
- Example filter diagrams
- Reflection sentence starters