"Human Biology Lab Activities&amp"

Close-Up Cross Section.

Demonstrate constructive and destructive interference with this sine wave generator.

Vibration generator and function generator all in one apparatus.

Includes Four Blank Write-and-Wipe Cards

Piezo popper kit.

Make photographic prints using the sun.

Examine the Role of Light Waves in Alternative Energy

Power three different solar vehicles — a solar speed boat, an air boat, and a surface submarine — using only the power of the sun. Build three vessels out of your recycled plastic beverage bottles then power them with the sun using the included 1/2 watt, waterproof solar panel. You can build a solar speed boat, an air boat, and a surface submarine. No batteries required.

Build Your Own Fuel Cell Car!

A Perfect accessory for the Electrostatic Generator

Do commercial sunscreens really work? Test them and find out with this kit.

Hey, what’s the pH in your apple? Here’s a fun kit for the lower grade levels.

This wooden machine has a sturdy wooden construction ideal for classroom use.

Students learn how the length, tension, and mass of a string affect the frequency of a standing wave in this engaging demo.

Hertz electron tube for quantitative investigations of Inelastic collisions of electrons with inert gas atoms.

What Can The Blood Evidence Tell Us?