Predicting the nature of a bond Simulation Play

Prevention of rabies epidemics in the natural environment Illustration Play

Properties of elementary particles Student activity Play

Properties of elements Whiteboard exercise Play

Properties of metals Whiteboard presentation Play

Properties of metals Class activity Play

Properties of transition metal ions Slideshow Play

Pure substances and mixtures Student activity Play

Pure substances/Mixtures Whiteboard exercise Play

Quantities of essential elements in 1000 g of dry plant mass Illustration Play

Quarks Animation Play

Quarks Student activity Play

Radioactive decay Student activity Play

Radiocarbon dating Whiteboard exercise Play

Radiocarbon dating Student activity Play

Radiocarbon dating Simulation Play

Rate of change in the natural logarithmic function Simulation Play

Reaction of sodium and chlorine Animation Play

Reaction yields Student activity Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water (1) Student activity Play

Reactions between Period 3 elements and water (2) Student activity Play

Reactions in the gas phase Animation Play

Reactions involving phase changes Animation Play