Refill for 623-7020 The Tapwater Tour.
Refill for 623-7020 The Tapwater Tour.
Refill for 623-7020 The Tapwater Tour.
623-7021
.Grades 4 - 8. 30 students in groups. Learn about stream and river ecosystems and their water quality with this virtual "tour" using weeklong hands-on activities. Trace the life of a river from headwaters to mouth at four sites along its path. Includes: Testab™ reagent tablets (single-packed) - 20 dissolved oxygen, 10 each wide-range pH, nitrate wide range, chloride, nutritab, buffer 7.0; 24 test tubes, 5 and 10 mL; 8 glass vials; data...
Grades 4 - 8. 30 students in groups. Learn about stream and river ecosystems and...
Grades 4 - 8. 30 students in groups. Learn about stream and river ecosystems and their water quality with this virtual "tour" using weeklong hands-on activities. Trace the...
623-7030
.Refill for 623-7030 The Watershed Tour.
Refill for 623-7030 The Watershed Tour.
Refill for 623-7030 The Watershed Tour.
623-7031
.Grades 3 - 9. 40 students in groups. Five units teach students how to keep ocean and shore ecosystems healthy and instill a sense of stewardship toward our all-important environment. Includes: curriculum materials with handouts, data sheets, and information about marine careers; step-by-step classroom activities.
Grades 3 - 9. 40 students in groups. Five units teach students how to keep ocean and...
Grades 3 - 9. 40 students in groups. Five units teach students how to keep ocean and shore ecosystems healthy and instill a sense of stewardship toward our all-important...
623-7040
.Ages 8 up. Test water in an urban environment to study the basic concepts of water chemistry. Includes enough equipment for 10 repetitions of 10 tests (5 for Coliform bacteria).
Ages 8 up. Test water in an urban environment to study the basic concepts of water...
Ages 8 up. Test water in an urban environment to study the basic concepts of water chemistry. Includes enough equipment for 10 repetitions of 10 tests (5 for Coliform bacteria).
623-7120
.Perform six different water quality tests on water from various sources. Learn to distinguish between ground, surface, drinking and waste water. Instructional materials include Teacher's Guide and Student Worksheets. Tests include: pH; color, odor, turbidity; dissolved oxygen; Coliform bacteria For 10 students. Grades 6 - 12.
Perform six different water quality tests on water from various sources. Learn to...
Perform six different water quality tests on water from various sources. Learn to distinguish between ground, surface, drinking and waste water. Instructional materials include...
623-7130
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