Nets of the cubes Whiteboard exercise Play

On what does the Doppler effect depend? Whiteboard exercise Play

On what does the Doppler effect depend? Student activity Play

Ozone hole Student activity Play

Ozone hole Whiteboard exercise Play

Ozone hole: effects Whiteboard exercise Play

Parallel and perpendicular edges on the net of the cube Whiteboard exercise Play

Parallel and perpendicular edges on the net of the cuboid Whiteboard exercise Play

Parallel and perpendicular edges on the net of the prism Whiteboard exercise Play

Parallel faces on the net of the cuboid Whiteboard exercise Play

Permanent dipole–permanent dipole forces Student activity Play

Permanent dipole–permanent dipole interaction in liquids and gases Animation Play

Perpendicular faces on the net of the cube Whiteboard exercise Play

Perpendicular faces on the net of the cuboid Whiteboard exercise Play

Phenotype – the effect of gene activity and environmental factors Student activity Play

Phenotypic effect in co-dominance Whiteboard exercise Play

Phosphorus cycle Student activity Play

Photoelectric effect and Einstein Student activity Play

Photoelectric effect and wavelength Student activity Play

Photoelectric effect and wavelength Whiteboard exercise Play

Photoelectric effect and wavelength Slideshow Play

Pollution of air Class activity Play

Pollution of air Whiteboard presentation Play

Practical application of the Doppler effect Student activity Play

Practical application of the Doppler effect Whiteboard exercise Play