Discontinuous variation - activity Whiteboard exercise Play

Distribution of human muscles Illustration Play

Distribution of muscles in the human body Simulation Play

Dividing a decimal by an integer Animation Play

Dividing a decimal by an integer using the written method Student activity Play

Dividing decimals by 0.1 and 0.01 Student activity Play

Division of viruses with respect to the type of nucleic acid Slideshow Play

Dried plums Whiteboard exercise Play

Dynamometer Simulation Play

Ear Animation Play

Ear Whiteboard exercise Play

Ear Student activity Play

Effect of forces Animation Play

Effects of cigarette smoking on the human organism Slideshow Play

Effects of deficiency and excess of proteins in the human Slideshow Play

Effects of human activities on a rainforest biocoenosis Animation Play

Effects of human activity on ecosystems Class activity Play

Effects of human activity on ecosystems Whiteboard presentation Play

Effects of noice Slideshow Play

Elastic potential energy Student activity Play

Elasticity Animation Play

Elementary composition of the human body Simulation Play

Energy Animation Play

Environmental factors Simulation Play

Environmental factors that affect human existence Animation Play