How to plot a displacement–time graph Animation Play

How to rotate a figure in the coordinate system Animation Play

How will the equilibrium change when the pressure is changed? Animation Play

Human defence system Simulation Play

Human defence system Student activity Play

Human organ systems Whiteboard presentation Play

Human reproductive system Slideshow Play

Human respiratory system Illustration Play

Human respiratory system Slideshow Play

Human respiratory system Slideshow Play

Images under symmetry in the coordinate system Whiteboard exercise Play

Inconsistent and dependent systems of linear equations Student activity Play

Increasing the concentrations of reacting substances Animation Play

Industrial synthesis in the gas phase Animation Play

Inequalities (1) Class activity Play

Inequalities (1) Whiteboard presentation Play

Inequalities (2) Whiteboard presentation Play

Inequalities (2) Class activity Play

Inequalities in a coordinate system Student activity Play

Inequalities in a coordinate system Whiteboard exercise Play

Inequalities in two variables Student activity Play

Inertia Student activity Play

Inertia Whiteboard exercise Play

Infections of the digestive system Slideshow Play

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