"Wards"

For educational demonstrations.

Used to demonstrate the inverse square law.

Useful for physics and sound demonstrations.

Mounted in a heavy-duty metal frame for maximum stability and strength.

Durable coiled spring with looped ends.

Set of seven metal electrodes for electrochemical experiments.

Great density set for physics classrooms and lessons.

Individual round glass lenses made with high optical purity glass.

Simple metal bobs each come with a hook for easy attachment to pendulum.

Airtight chamber reveals how sound disappears without air.

Students actively model the concept of half-life and radioactive decay.

Closely wound steel spring.

Large ball bearings and various diameters (20 to 60mm) for accurate and precise measurements.

Balanced flywheel for exploring inertia and rotational dynamics.

Calculate density the old school way, measuring the net force acting on a submerged object.

Glass vessel with a spout for measuring the volume of irregular objects by water displacement.