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Environmental There are 11 products.

Environmental
  • Two Point Discriminator
    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

    In Stock

    .
    $6.76
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  • How Clean Is The Water
    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

    This item is currently not in stock, please call for availability.

    .
    $62.95
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  • Zinc Pieces, 1cm Sq, Pkg/100
    Zinc Pieces, 1cm Sq, Pkg/100

    33210

    In Stock

    .
    $11.90
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  • Wicks For Psychrometer, Pkg/15
    Wicks For Psychrometer, Pkg/15

    33150

    In Stock

    .
    $11.55
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  • Radiation Cans Pkg/2
    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

    In Stock

    .
    $15.88
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  • Secchi Disc
    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

    This item is currently not in stock, please call for availability.

    .
    $51.98
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