Complete shopping lists for all curriculum activities, organized by grade band with budget-friendly alternatives.
These sensors enable students to collect real air quality data. One sensor per class is sufficient for most activities; 4-6 sensors allow for station rotations.
| Item | Purpose | Price Range | Recommended | Budget Alternative |
|---|---|---|---|---|
| CO2 Monitor | Measure ventilation quality | $80-250 | Aranet4 | INKBIRD or generic NDIR sensor |
| PM2.5 Monitor | Measure particle pollution | $30-280 | PurpleAir Indoor | Temtop or handheld laser counter |
| Combination Monitor | CO2 + PM2.5 + more | $100-300 | Temtop M2000 | Single-function monitors |
Materials for building one Corsi-Rosenthal box air purifier. Build 1-4 per class for testing and comparison.
| Item | Quantity | Est. Cost |
|---|---|---|
| 20" Box Fan | 1 | $20-35 |
| 20x20x2" MERV-13 Filters | 4 | $40-60 |
| Cardboard (for shroud) | 1 piece | Free |
| Duct Tape | 1 roll | $5-8 |
Total: $65-103 per unit
| Item | Purpose | Est. Cost |
|---|---|---|
| MERV-14 Filters | Higher efficiency | +$20 |
| Bungee Cords | Easier assembly | $5 |
| Foam Weatherstrip | Better seal | $5 |
| Speed Controller | Adjustable speed/noise | $15-25 |
| Activity | Materials | Est. Cost |
|---|---|---|
| Is Air Real? | Plastic bags, balloons, straws, water tub | $10 |
| Catching Particles | Petroleum jelly, index cards, magnifying glasses | $15 |
| Glitter Germs | Fine glitter, hand soap, paper towels | $10 |
| Coffee Filter Demo | Coffee filters, water, food coloring, dirt | $8 |
| Activity | Materials | Est. Cost |
|---|---|---|
| Lung Model | Plastic bottles, balloons, straws, rubber bands | $15 |
| Particle Collectors | Microscope slides, petroleum jelly, hand lens | $20 |
| Outbreak Game | Dice, colored chips/tokens, game boards (printable) | $10 |
| Mini Box Filter | Small fan, furnace filter sample, cardboard | $15 |
| Activity | Materials | Est. Cost |
|---|---|---|
| Particle Settling | Clear containers, timers, particle samples (flour, pepper) | $15 |
| CO2 Monitoring | CO2 monitor (shared), data logging sheets | $150 (reusable) |
| PM2.5 Testing | PM2.5 monitor, incense/candle (pollution source) | $200 (reusable) |
| CR Box Build | See CR Box materials above | $65-100 |
| CADR Testing | PM monitor, tape measure, timer, calculator | Included above |
| Activity | Materials | Est. Cost |
|---|---|---|
| Air Chemistry Lab | pH strips, beakers, vinegar, baking soda, indicators | $30 |
| Particle Physics | Laser pointer, smoke/fog source, clear chamber | $25 |
| Epidemiology Simulation | Computers with spreadsheet software, or printed simulation materials | $0-20 |
| Sensor Calibration | Multiple sensors of same type, reference data | Varies |
| Engineering Challenge | Various materials for prototyping (cardboard, tape, fans, filters) | $50-150 |