Get acquainted with one of the most interesting products of geological processes with this introductory collection of real specimens of metamorphic rock. Metamorphic rocks are formed by pressure and heat that may or may not be influenced by the introduction of chemically active solutions - they are an example of how pressure and heat, typically associated with destructive forces, can yield creation; examples include schist, serpentine, and quartzite. The Metamorphic Rock Bag is an economy collection of 6 specimens representative of the metamorphic rock family. Each generous specimen is 1.25" to 1.5" and is contained in a zip lock bag with a label.
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Learn about hydrogen fuel cells with this incredible kit!
This smaller transportable Van de Graaff Generator will easily fit in any classroom!
This simple but amusing magnetic toy will keep you busy for hours!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!