How a periscope works Slideshow Play

How do we draw a triangle in LOGO? Animation Play

How do you find an angle? Student activity Play

How do you find the ratio? Animation Play

How do you find the ratio? Student activity Play

How easy is it to determine the coefficient of friction? Whiteboard exercise Play

How easy is it to determine the coefficient of friction? Student activity Play

How far away are the stars? Student activity Play

How high is the tree? Whiteboard exercise Play

How high is the tree? Student activity Play

How to determine position at sea Animation Play

How to draw an angle? Animation Play

How to find the valence of an element from the periodic table Animation Play

How to make a periscope Simulation Play

How to measure an angle? Animation Play

How to resolve a force into components Animation Play

How to rotate a figure in the coordinate system Animation Play

Hybridisation in boron trifluoride molecule Animation Play

Hybridisation in methane molecule Animation Play

Hybridisation in water molecule Whiteboard exercise Play

Hybridisation involving d orbitals Student activity Play

Hydrogen molecule Animation Play

Hydrogen sulphide Animation Play

Image under translation Animation Play

Inscribed and central angles Class activity Play