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Replacement hanger for your stainless steel slotted weight set.

Perform live demonstrations showing how streams are created and constantly changing.

Visually demonstrate the water cycle right in the classroom.

Miniature DC motor designed for experiments using low starting voltage (4.5 V) and current (70 mA).

An exceptional value.

This apparatus helps students to understand the Coriolis effect, the phenomenon whereby an object moving on a spinning surface will travel in a curved path.

Ideal for investigating the reflection of light at a plane mirror and at a water interface.

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.

Is the outbreak seasonal influenza or pandemic influenza?

Why are the sea otters dying?

Antibiotics in wastewater may lead to multi drug-resistant bacteria.

Does e-cigarette use increase the risk of respiratory system damage?

Introduce basic weather concepts with this versatile apparatus.

Demonstrate the rotational motion of Earth on its axis, its orbit around the Sun, and the revolution of the moon around Earth with this high-quality model.

This large Van de Graff generator uniquely offers alternative drive modes, either hand-cranked or motor driven.

A superior quality Wimshurst machine for demonstrating high voltage electric charges.