Reactivity of the halogens Student activity Play

Reactivity of the halogens Animation Play

Reading from the graph Whiteboard exercise Play

Reading the solubility curve Animation Play

Real gases Student activity Play

Real gases Whiteboard exercise Play

Reasons for the high reactivity of alkenes Whiteboard exercise Play

Reasons for the high reactivity of alkenes Whiteboard exercise Play

Reasons for the high reactivity of alkenes (1) Student activity Play

Reasons for the high reactivity of alkenes (2) Student activity Play

Recent changes in the Earth's temperature Slideshow Play

Red giants Animation Play

Red giants Student activity Play

Refrigerator Whiteboard exercise Play

Refrigerator Student activity Play

Regulation of body temperature Simulation Play

Regulation of body temperature Slideshow Play

Regulation of body temperature Slideshow Play

Regulation of body temperature Student activity Play

Regulation of body temperature - activity Whiteboard exercise Play

Relationship between Kp and Kc Student activity Play

Removal of the spores of Clostridium botulinum from food Slideshow Play

Research into photosynthesis Student activity Play

Research into photosynthesis - conclusions Illustration Play

Resistance of spores Slideshow Play