Huygens' Principle Student activity Play

Huygens' Principle Animation Play

Huygens' Principle Animation Play

Image of a figure (reflection in the x-axis) Animation Play

Image of a figure (reflection in the y-axis) Animation Play

Image under translation Animation Play

Images of figures Animation Play

Inclined plane Whiteboard exercise Play

Inclined plane Student activity Play

Inequalities and regions on the plane Animation Play

Inscribed circles, circumscribed polygons Student activity Play

Is a practical demonstration reliable? Student activity Play

Is a practical demonstration reliable? Whiteboard exercise Play

Is it translation or rotation or reflection? Student activity Play

Kites Student activity Play

Length of pencils Animation Play

Line of reflection symmetry Student activity Play

Line of reflection symmetry Whiteboard exercise Play

Linear inequality in two variables Whiteboard exercise Play

Linear inequality in two variables Student activity Play

Measures of angles Simulation Play

Measures of angles Student activity Play

Mechanical waves Class activity Play

Mechanical waves Class activity Play

Mechanical waves Whiteboard presentation Play