Roentgen's experiment Animation Play

Rolling a die Animation Play

Rolling the die Whiteboard exercise Play

Rutherford's experiment Animation Play

Rutherford's experiment Animation Play

Rutherford's experiment Animation Play

Rutherford's experiment Whiteboard exercise Play

Sampling Whiteboard presentation Play

Sampling Class activity Play

Semi-conservative replication of DNA Student activity Play

Smoking and ciliary cells Animation Play

Smoking and health Student activity Play

Solubility of salts Student activity Play

Stern-Gerlach experiment Animation Play

Stern-Gerlach experiment Student activity Play

Stern-Gerlach experiment Simulation Play

Stern-Gerlach experiment Animation Play

Stern-Gerlach experiment Whiteboard exercise Play

Synthesis of organic compounds in a simulated environment Slideshow Play

Temperature Student activity Play

Testing for photosynthesis Student activity Play

The Buchner brothers experiment Simulation Play

The discovery of X-rays Student activity Play

The effect of surface area on reaction rate Student activity Play

The effects of smoking Student activity Play