Reflecting telescope Student activity Play

Reflecting telescopes Student activity Play

Reflecting telescopes Animation Play

Refracting telescope Whiteboard exercise Play

Refracting telescope Student activity Play

Shadows Student activity Play

Spectacles Simulation Play

Spectacles Student activity Play

Spectral analysis Student activity Play

Spectroscope Animation Play

Statements about shadows Whiteboard exercise Play

Structure of the eye Animation Play

The defects of lenses Student activity Play

The electron microscope Student activity Play

The eye and the ear Class activity Play

The eye and the ear Whiteboard presentation Play

The focal length and the shape of a lens Animation Play

The mechanism of vision Student activity Play

The parameters of binoculars Slideshow Play

The power of a lens Animation Play

The power of lenses Student activity Play

The power of lenses Whiteboard exercise Play

The structure of a lens Student activity Play

The structure of a lens Animation Play

The structure of a lens Whiteboard exercise Play