A refracting telescope Student activity Play

A refracting telescope Whiteboard exercise Play

Binoculars Student activity Play

Finding the lowest and the highest possible value of range Whiteboard exercise Play

Focal length and the shape of a lens Student activity Play

Focal length and the shape of a lens Whiteboard exercise Play

Fraction as result of division Student activity Play

Fraction in lowest terms Student activity Play

Fraction in lowest terms Whiteboard exercise Play

Infrared radiation Whiteboard exercise Play

Light and ultraviolet radiation Student activity Play

Parameters of binoculars Whiteboard exercise Play

Probability Student activity Play

Probability Whiteboard exercise Play

Range Student activity Play

Reducing a fraction to lowest terms Animation Play

The result of division Animation Play

The velocity of wave propagation Student activity Play

The velocity of wave propagation Whiteboard exercise Play