"Paleontology+Models"

This complete kit provides a fun, economical, and safe way for students to create their own rockets.

Using the simple color disc method, this kit measures Iron (medium range - 0.2-10 mg/L) and contains 100 tests.

This bivalve fossil replica looks like a shell you would find at the beach, but it is representative of an organism that lived millions of years ago.

This wooden machine is elegantly designed and easy for students to use. Study how changing the distance from the fulcrum changes the mechanical advantage.

This wooden machine has a sturdy wooden construction ideal for classroom use. This apparatus can demonstrate how gears can turn rotational motion into translational motion.

This simple demonstration of the relationship between adaptations and natural selection gets students away from their desks.

Prepare designs easily without premature hardening.

Five part set to demonstrate the structure of a single water molecule.

Ideal Size For Student Demos

This amazing demo starts when an end of a 50-ft length of beaded chain is pulled over the edge of its container. As the end falls and accelerates, the chain rises higher than the rim and seems suspended in the air. Students see this as a discrepant event. They will ask to see it again and again. This demo is great for explaining self-siphoning polymers and Newton's First Law. Holding the handle of the included large mug enhances the visibility.

This wooden machine is elegantly designed and easy for students to use.

Digital moisture meter with RS-232, auto adjustment, LED display, long-life steel parts.

Lab gravity separator for precise seed cleaning and density grading.

One of Hach's most popular test kits, it uses the simple, low-cost color disc method.

Water hardness is caused almost entirely by calcium and magnesium ion.

Advanced Moisture Meter: LCD, auto temp comp, data logging, RS-232, for grains and seeds.