"micro tube racks"

Two investigations teach the principles of chromatography.

What colors make black ink?

What Is Making the Block Stop Moving?

Are lip prints like finger prints?

In this activity, students explore methods to treat wastewater by creating a laboratory model that simulates large-scale commercial water treatment methods.

This kit provides students with the opportunity to make firsthand observations of mechanical weathering, chemical weathering, erosion, and deposition.