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Three convenient options for benchtop sterilization.

This harmless insect parasitizes the Sarcophaga (flesh fly) pupae. Females usually lay 30–50 eggs in the pupae, which provide food for the Nasonia larvae when they hatch.

How is the water that comes out of our faucets made safe for consumption?

Learn how environmental scientists study pollution by testing air and water samples from your local area.

An instructor's desk constructed of solid oak, oak and hardwood veneers, this unit serves as a complete demonstration center offering a spacious work surface.

The Optical Voice Link Kit is the ideal introduction for those students first learning about the marvels, mysteries and science of light transmission through optical fiber.
Students will be fascinated by hearing their own voices, after it has been converted into light and then coupled into, through and out of an optical fiber. This kit is suitable for science projects, home projects, short audio fiber optic curriculums for schools, and inexpensive classroom demonstrations.
No prior fiber optics experience, special tools or training are needed for students to be able to build, use and enjoy the multiple applications of this kit.

Ideal tool for aquatic ecosystem studies. Collect periphyton samples with ease using this specialized sampler, perfect for water quality and aquatic ecosystem studies.

Organized, economical survey of fossils.

Explore the carbon cycle by simulating the production of carbon dioxide due to microorganisms in soil.

Durable analog grain vernier for precise manual measurement, 0 to 10 mm range.

The Ohaus® Starter Series of electrodes include pH, reference, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO) and temperature electrodes.

Explore charging by induction and discover how a Leyden jar stores electric charges.

Liquinox is a concentrated, anionic detergent for manual and ultrasonic cleaning. Free rinsing to give you reliable results without interfering residues. Extremely mild and completely soluble in hard and soft water.

Designed with a clear, user-friendly interface and the ability to store up to 99 items in its internal memory, the Starter™ 2200 pH bench meter is a reliable and efficient addition to basic laboratories or science classrooms.

Find the spring constant of a projectile launcher using the potential energy of its projectile.

This kit is a complete exploration into the properties of color and light.