"Elementary Science"

Large aluminum dissecting pan.

Set of nine hooked weights. Range from 10 g to 1000 g. Made of cast iron.

Large compass that can easily be seen by the whole classroom.

Lessons in Optics and Light in the Palm of Your Hand Colorfully illustrate additive and subtractive color mixing, color transmission, absorption and filtering of the different wavelengths of light with this set of primary and secondary color mixing paddles. You can also use the diffraction gratings in this set to view spectra from different light sources. Show students how a spectroscope, colored lights, and even polarized sunglasses work with the contents of this set.

Zygomycete. Common black bread mold. Lab contaminant. Mating strain, cross with Rhizopus stolonifer (nigricans) (-) to produce zygospores. Incubation temperature 25°C. Potato dextrose agar growth medium.

No spill dropper.

Protect Your Microscope Slides

Plastic D-cell battery holder with male and female button snaps allowing for instant connections with others.

Versatile teaching kit contains enough materials for the whole classroom to learn about and experiment with a variety of pulley configurations. Because these activities are hands-on, students get a real feel for the forces at work.

Begin making your own slides!

Ideal for Simple Wind Speed Experiments

Virtually Unbreakable.

Perfect for your paper chromatography needs.

Excellent for Storing Standard Sized Wholemount Slides

Use these flexible magnetic strips for experiments, to hold objects in place, or for creating your own inventions.

Set of different stamps to create a animal tracks on paper.