Finding the position vector of the point dividing the segment in the given ratio Animation Play

Flame tests Student activity Play

Focusing of rays Simulation Play

Focusing of rays Student activity Play

Formation of bonds between elements Animation Play

Functions of the vascular elements of the liver Whiteboard exercise Play

GPS Slideshow Play

GPS and the theory of relativity Animation Play

GPS satellites Animation Play

GPS system Student activity Play

GPS system Whiteboard exercise Play

GPS system and the theory of relativity Student activity Play

Group 1 elements Animation Play

Groups in the periodic table Student activity Play

Heavy elements Simulation Play

Heavy elements Student activity Play

Heavy elements Whiteboard exercise Play

How fast do radioactive elements decay? Simulation Play

How fast do radioactive elements decay? Whiteboard exercise Play

How fast do radioactive elements decay? Student activity Play

How the nervous system works Student activity Play

How to determine position at sea Animation Play

Huygens' principle Whiteboard exercise Play

Huygens' Principle Student activity Play

Influence of the concentrations of substances on the position of equilibrium Illustration Play