These screen sieves can be used by students for geological applications. The four different sizes (by standard US scale: 5, 10, 60, 230) will allow students to separate and grade soil and rock sampes in order to determine the make-up of soil strata. Set includes bottom pan and lid with Teacher's Guide. Could also be used for a science fair experiment.
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Learn how solar cells transform light into electrical energy with this great kit!
Easily assemble a working alarm motion detector!
See the solar system in action!
This glass Erlenmeyer mug makes an excellent gift!
Get this great introductory chemistry kit for your favorite young scientist!
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