Period 3 elements Slideshow Play

Periodic trends Student activity Play

Permanent dipole–permanent dipole forces Student activity Play

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

Phase changes Whiteboard presentation Play

Phase changes Class activity Play

Photoelectric effect and wavelength Student activity Play

Photoelectric effect and wavelength Slideshow Play

Photons Animation Play

Physical change Student activity Play

Physical changes Student activity Play

Physical changes Class activity Play

Physical changes and mass Student activity Play

Physical changes and mass Simulation Play

Physical properties Simulation Play

Physical properties Student activity Play

Physical properties Student activity Play

Physical properties of giant molecules of different structures Chart Play

Physical properties of oxides of Period 3 elements Student activity Play

Physical properties of some alkanes Chart Play

Physical state of water Illustration Play

Physical states Slideshow Play

Physical states of the elements at room temperature Animation Play

Physical states of the same type of matter Animation Play

Pollution of land Class activity Play