"WardsSci000478"

Massive sedimentary gypsum with a moh's hardness 2..

Own a carbonaceous chondrite!

The 2-ply Boot foot Hipper is a rugged and classic poly rubber hip boot design.

Scoria is a dark-colored rock formed from lava with a high gas content.

A textbook example of pure crystalline carbon which is extermely soft.

Massive white quartz with a moh's hardness 7.

Selenite is a Clear gypsum mineral with a moh's hardness of 2.

The Variable Speed Wave Generator is a new concept for generating waves in your stream table. The paddle enters the water, forms the wave, then is withdrawn to eliminate back waves.

Learn while you play with this interactive review game. Students play Bingo using 75 review cards covering the curriculum standards on rocks.

This HOBO® Pendant® G data logger designed for use in a wide range of experiments, demonstrations, and field studies.

Photocells with included connecting wires

Interactive, hands-on, and digital resources about owls, owl pellet dissection, and prey identification.

Students identify and quantify microbes in air, soil, water, or any surface.

The most complete series of human ancestry.

Scan an entire landscape with oversize prisms that offer an extra-wide, 487' field of view at 1000 yards.

The Celestron NexStar 130 SLT Reflector Telescope lets you view the details of the lunar surface, the rings of Saturn, the polar ice caps on Mars, the cloud belts on Jupiter, or a number of the Messier objects.