"solar filter"

Various sizes. Packages of 100.

PYREX®, borosilicate glass.

For filling burets. Diameter: 35 mm; total length: 60 mm; outside diameter of stem: 6 mm.

Medium weight with wide flared top.

Great Intro For Solar Energy!

The Solar System Poster

The external ribbing on this funnel prevents air lock.

These clear funnels have long stems, smooth walls, and external ribs to prevent air lock.

Standard for any laboratory.

Calculators feature arithmetic functions (add, subtract, multiply, divide), percent, three-key memory, and floating decimal point.

For Use With Solar Cell.

Hang the Whole Solar System From Your Ceiling

Polycrystalline solar cell with wires used for educational purposes.

Provide a New Perspective on the Solar System

The Latest information and Imagery from Hubble and Voyager 2

What is the Big Bang Theory? How was our solar system created?