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Health and Harmony Kits
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Environmental There are 11 products.
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Two Point Discriminator.
Ideal for cutaneous senations testing in the classroom, since it has an additional point that allows you to switch from one to two point simulations. Plastic moled parts are highly durable.
Ideal for cutaneous senations testing in the classroom, since it has an additional...
Ideal for cutaneous senations testing in the classroom, since it has an additional point that allows you to switch from one to two point simulations. Plastic moled parts are...
621-4015
.
How Clean Is The Water
Water pollution is a major public issue today. This kit allows students to test local water samples for pH, available phosphate, chloride and lead concentration, oil determination and bacterial contamination. This kit will support a demonstration, or small groups, or three repetitions for a single investigator and will require two 45-minute class periods, along with three or four days of observation.
Water pollution is a major public issue today. This kit allows students to test local...
Water pollution is a major public issue today. This kit allows students to test local water samples for pH, available phosphate, chloride and lead concentration, oil...
5700
.
Radiation Cans, pack of 2
Investigate the absorption and radiation of energy on different surfaces. Students fill both cans with water and place a thermometer in each. They then turn on light at 10cm distance and observe how temperatures respond differently in the black can and silver can. In a reverse experiment, the rates of cooling can be determined after the light is turned off.
Investigate the absorption and radiation of energy on different surfaces. Students fill...
Investigate the absorption and radiation of energy on different surfaces. Students fill both cans with water and place a thermometer in each. They then turn on light at 10cm...
32840
.
Secchi Disc
This 20 cm ABS plastic disk is weighted and supplied with a 14 m line. When lowered in a water column until the pattern is no longer distinguishable, measurement of the retrieved line gives the depth to which light can penetrate in support of biological activity.
This 20 cm ABS plastic disk is weighted and supplied with a 14 m line. When lowered in...
This 20 cm ABS plastic disk is weighted and supplied with a 14 m line. When lowered in a water column until the pattern is no longer distinguishable, measurement of the...
15020
.
