Absorption and waste Class activity Play

Acid rain destroys forests Animation Play

Addition of other substances Animation Play

Adverse effects of acid rain Slideshow Play

Adverse effects of aldehydes and ketones on the human organism Slideshow Play

Adverse effects of natural substances in food Slideshow Play

Ammonia and nitric acid Class activity Play

Ammonia and nitric acid Whiteboard presentation Play

Applications of haloalkanes Slideshow Play

Biologically important transition metal complexes Student activity Play

Calculating the mass given the number of moles Student activity Play

Calculating the masses of reacting substances Chart Play

Calculating the masses of reacting substances Whiteboard exercise Play

Calculating the masses of reacting substances (1) Student activity Play

Calculating the masses of reacting substances (2) Student activity Play

Calculations involving Kp Student activity Play

Calculations involving the equilibrium constant Whiteboard exercise Play

Cancer-causing agents (carcinogens) Student activity Play

Carcinogens Slideshow Play

Categories of hazardous substance Whiteboard exercise Play

Chemical composition of storage substances in different seeds Student activity Play

Chemical composition of storage substances in different seeds Slideshow Play

Chemical composition of storage substances in the seeds of selected plants Illustration Play

Classifying sample substances Whiteboard exercise Play

Classifying substances Student activity Play