Environmental-> Air Sampling & Testing

Click to Enlarge

Grades 5 up - AP appropriate.
Measure the pH levels of ponds, lakes, streams, and other bodies of water. Make surveys of acid precipitation. Our complete kit contains everything needed to perform 50 tests.,br> Sturdy, tapered rain gauge; pH test kit; detailed study guide; student activity sheets.

Click to Enlarge

Grades 6 - 12.
Study the effect of sulfur dioxide on plants with a controlled environment and air pollutant. Germinate squash and marigold plants in an sulfur dioxide saturated environment while monitoring their growth. Includes: two seed types; 4 generation chambers; 4 developing domes; sulfur dioxide generating chemicals; safe environmental chamber; teacher's guide and worksheets.

Click to Enlarge

This 4-in-one device combines light meter, humidity meter, thermometer and anemometer into a compact unit weighing only 5-1/2 ounces. Comes in a case with strap - even a 9V battery. Features include dual display with low battery and over range indications, touch-tone buttons, max-min, auto power off, and hold functions.