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.
Grades 6 - 12. Study the effect of sulfur dioxide on plants with a controlled...
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...
625-7020
.Refill Kit for 625-7021 Air Pollution Kit.
Refill Kit for 625-7021 Air Pollution Kit.
Refill Kit for 625-7021 Air Pollution Kit.
625-7021
.This nice little liquid-filled compass is good for basic studies in magnetism and electricity. North pole, degree scale and cardinal compass points are marked. Housed in a 108 x 60 x 450 mm diameter case.
This nice little liquid-filled compass is good for basic studies in magnetism and...
This nice little liquid-filled compass is good for basic studies in magnetism and electricity. North pole, degree scale and cardinal compass points are marked. Housed in a 108 x...
626-1020
.For use with EA-20 Air Source.
For use with EA-20 Air Source.
For use with EA-20 Air Source.
EA-21
.Discover what is in the air you breathe. Particulate matter is deposited on a high efficiency filter as air is drawn through it at a calibrated volumetric flow rate. The total mass in milligrams per cubic meter can be determined. Chemical and radioactive tests can also be performed on the material collected. The unit is 40 cm tall and operates on standard 115 VAC 60 Hz for indoor and outdoor use. Filters and manometer are included.
Discover what is in the air you breathe. Particulate matter is deposited on a high...
Discover what is in the air you breathe. Particulate matter is deposited on a high efficiency filter as air is drawn through it at a calibrated volumetric flow rate. The total...
15000
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