"Elementary Science"

Investigate and experiment with 7 functioning Wheel & Axle and Inclined Plane models designed to demonstrate science and technology concepts.

Students can determine, through investigation, if the machine multiplies the force it applies to the resistance (load), if the machine changes the direction of the force they apply, and more.

Students Apply Science Principles and Relate the Conclusion to a Criminal Investigation

Ideal for school and kitting use.

Simple, yet effective tool.

Here's an easy way to explore the greenhouse effect theory.

No Color Chart Necessary.

This small, simple calculator is perfect for your desk or your pocket.

Ten Lab Safety Practices Every Student Should Know

Provide a New Perspective on the Solar System

Medicine Dropper with Straight Glass Pipette, 4 inches length.

Introduce paleontology to young children with 12 beautiful picture cards and matching x-rays.

Students can explore their sense of touch and what it tells them with this drawstring cloth bag containing various pebbles, steel wool, cloth, sponge cube, cardboard, sandpaper, assorted round objects, and more. Blindfold available separately

These bright and colorful posters provide a realistic depiction of the life cycles of a butterfly.

Great for All Grade Levels!

Our high-quality borosilicate beakers meet ASTM standards and are a great value. With uniform wall thickness, white enamel, double-graduated metric scale, and a marking spot. Beakers can be heated and used with acids, salt solutions, and organic solvents.

CAS Number: 34722-90-2
Formula: C27H27Br2O5SNa
Boiling Point: Decomposes
Solubility: Water
Synonyms: Bromothymol Blue pH Indicator
Shelf Life: 36 Months