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earth-science

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USA Collection
USA Collection
16807

A sensational collection that reveals the varied geological specimens found in the United States. Collection includes specimens from each of the 50 States. The rock, mineral or fossil selected to represent that state is individually "keyed" for identification. The key also includes a useful fact and a geologic feature for each individual state. Specimen size 1" x 1" x 1". Grades 3-12. Ages 8-18.
A sensational collection that reveals the varied geological specimens found in the United States. Collection includes specimens from each of the 50 States. The rock, mineral or fossil selected to represent that state is individually "keyed" for identification. The key also includes a useful fact and a geologic feature for each individual state. Specimen size 1" x 1" x 1". Grades 3-12. Ages 8-18.

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$22.50 Each $45.00 Each
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Water Test Kit
Water Test Kit
09415

Ideal field test kit for performing 4 important experiments on water pollution. Test water samples for dissolved oxygen content, chlorides, phosphates, and water hardness. This kit provides all the apparatus and materials necessary for performing each test several times. Comes complete with instruction booklet.

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$21.90 Each $43.95 Each
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What Rock Is It? Framed Chart w/ Minerals (for 12046)
What Rock Is It? Framed Chart w/ Minerals (for 12046)
14239

This chart has illustrations and actual specimens for students to consult as they identify unlabeled rock specimens. For grades 6-12. 23 1/2" x 15 1/5".

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$24.90 Each $49.95 Each
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What Rock Is It? Student Charts w/ Rock Samples - Set of 10
What Rock Is It? Student Charts w/ Rock Samples - Set of 10
12047

For use with 12046 What Rock Is It? classroom project.

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$20.90 Set $41.95 Set