Your Safer Source for Science
All-In-One Science Solution
Your Safer Source for Science
Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436
Email [email protected]
firewatch

Pink swirls appear as ammonia gas diffuses across a filter-paper membrane into phenolphthalein solution. Molecules in motion!

Concepts

  • Scientific Method
  • Diffusion
  • Gases
  • Liquids