Environmental changes – dietary changes Student activity Play

Environmental changes – dietary changes Whiteboard exercise Play

Environmental effects of fuel combustion Student activity Play

Environmental factors and their effects on seed germination Animation Play

Environmental factors necessary for germination Student activity Play

Environmental variation of the arrowhead Animation Play

Enzymatic reactions Whiteboard exercise Play

Enzymatic reactions Student activity Play

Enzyme activity and environmental conditions Student activity Play

Enzyme activity and environmental conditions Simulation Play

Enzymes Simulation Play

Enzymes Student activity Play

Enzymes Student activity Play

Enzymes are specific and selective (1) Student activity Play

Enzymes are specific and selective (2) Student activity Play

Evaporation and condensation Class activity Play

Evaporation and condensation Whiteboard presentation Play

Evaporation, condensation, and boiling Student activity Play

Evaporation, condensation, and boiling Whiteboard exercise Play

Events causing changes in the concentration of oxygen in the Earth's atmosphere Whiteboard exercise Play

Examples of adaptations to daily changes Illustration Play

Examples of adaptations to seasonal changes Illustration Play

Examples of exothermic reactions Student activity Play

Exchange of heat and temperature Animation Play

Expansion and change in density Student activity Play