Display devices Whiteboard exercise Play

Display devices Student activity Play

Distance covered by light Animation Play

Division of electromagnetic waves Chart Play

Domestic circuits Simulation Play

Doppler effect for different waves Student activity Play

Drawing circuits Student activity Play

During a thunderstorm Student activity Play

Eclipses Student activity Play

Ecosystem = biocenosis + biotope Student activity Play

Effect of gravitation on a beam of light Student activity Play

Effect of light on the growth of food plants Slideshow Play

Effects of physical factors on the rate of photosynthesis Slideshow Play

Effects of the Sun on the Earth Whiteboard exercise Play

Einstein's first postulate Whiteboard exercise Play

Einstein's postulates Student activity Play

Einstein's postulates Whiteboard exercise Play

Electric current Class activity Play

Electric current performs work Student activity Play

Electrical circuits Student activity Play

Electrical components Student activity Play

Electrical components and their functions Whiteboard exercise Play

Electricity from solar energy Student activity Play

Electricity from solar energy Whiteboard exercise Play

Electromagnetic radiation – summary Student activity Play