The books for the summer Whiteboard exercise Play

The books for the winter Whiteboard exercise Play

The boundary value of the force of friction Animation Play

The capacitance of a capacitor Simulation Play

The capacitance of a capacitor Student activity Play

The capacity of a cell Student activity Play

The capacity of a cell Animation Play

The concept of a set Student activity Play

The concept of pH Student activity Play

The concept of pH Whiteboard exercise Play

The correct graph to read the rounded value of the square root Whiteboard exercise Play

The cosine of an arbitrary angle Student activity Play

The cosine – reducing angles Student activity Play

The C–X bond Animation Play

The C–X bond (1) Student activity Play

The debt is increasing. The debt is decreasing Student activity Play

The difference of sets Student activity Play

The difference of sets Whiteboard exercise Play

The distance between the plates Student activity Play

The distance between the plates Simulation Play

The distance between the plates Whiteboard exercise Play

The distribution of electrons Animation Play

The effects of mutations in somatic cells – negative for the organism but positive for humans Slideshow Play

The electric field inside a capacitor Animation Play

The electrochemical series Student activity Play