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Your Safer Source for Science
WEATHER, CLIMATE & NATURAL RESOURCES,
AP7559 I $431.55
Thermometer, Armored
Spirit-filled thermometer encased in tough plastic armor with window opening for easy reading. Tie-loop is provided at the top of the armor, allowing the instrument to be easily lowered into the water. Scale is perma- nently fused into the glass and cannot be destroyed. Range is 0 to 50 oC. Length is 6".
AB1145 I $24.50
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Water Pollution Testing Kit
Water Pollution Testing Kit for field studies in environmental science is a comprehensive kit designed to introduce the basic concepts of water pollution testing. Test and measure 7 key water quality test factors, including dissolved oxygen, chlorine, pH, nitrate–nitrogen, phos- phate, ammonia–nitrogen and temperature.
Pondwater Tour
Take a dip in the pond with this exciting mini-curriculum and hands-on guide to the basic chemistry of ponds, lakes, streams
and aquariums. Students test water samples they collect for dissolved oxygen, pH,
nitrate and ammonia using safe and simple reagent tablets. Six separate teaching units each include lecture materials, reproducible worksheets, test procedures and summary/ reinforcement games and puzzles. Materials supplied for 50 students working individually.
FB0606 I $86.00
Water Quality Index (WQI)—Field Trip Kit
Water Quality Index (WQI) Field Trip Kit for environmental science is an all-inclusive water quality test kit. Analyze the properties of a local lake, river or stream and determine the over- all water quality.
AP7027 I $314.05
FLINN SCIENTIFIC I WEATHER, CLIMATE & NATURAL RESOURCES 23