A lens Whiteboard presentation Play

A lens Class activity Play

A microscope Whiteboard exercise Play

A microscope Student activity Play

Aberration Animation Play

Addition and subtraction of fractions Student activity Play

Amino acids Whiteboard presentation Play

Amino acids Class activity Play

Axis of symmetry and the factor form of a quadratic function Student activity Play

Axis of symmetry and the factor form of a quadratic function Whiteboard exercise Play

Bike wheel Animation Play

Cartesian coordinate system of 3-dimensional space Student activity Play

Cartesian coordinate system of the plane Student activity Play

Characteristic rays Animation Play

Choosing the right optical instrument Whiteboard exercise Play

Conversion graphs Student activity Play

Converting graphs Whiteboard exercise Play

Coordinates Class activity Play

Coordinates Whiteboard presentation Play

Day and night Student activity Play

Electron microscope Animation Play

Estimation of the volume Animation Play

Eye accommodation Student activity Play

Eye accommodation Animation Play

Finding the  x-intercept of a linear function Student activity Play