"Ionic+Properties+Learning+Activities"

A Highly Sensitive Electroscope

Effective Method of Showing Normally Invisible Currents

Sturdy box for investigating frictional forces.

This kit allows analysts to perform a very simple titration to determine the alkalinity and the phenolphthalein of their fresh water sample.

For class model building.

Discover That Characteristics Can Be Used To Define Objects

Set of 5 acrylic filters.

Close-Up Cross Section.

Study series and parallel circuits with this high quality apparatus.

Best seller!

Educational Materials, Mechanics, Black heavy, 45 meter spool

Ideal for tensioning lines.

Makes hard to connect components easy to use in electrical circuits.

Mini farm and wild animal toys.

These free-running plastic pulleys are durable in design.

Meets AP Science Practices 1, 2, 3, 4, 5, and 6