The more reliable source Whiteboard exercise Play

The operation of a cell Animation Play

The operation of a cell Student activity Play

The operation of a cell Whiteboard exercise Play

The producer or the user? Whiteboard exercise Play

The quality of a survey Student activity Play

The range of the visible light spectrum Whiteboard exercise Play

The shape of the wavefront Animation Play

The sources of a bias Animation Play

The sources of energy Whiteboard exercise Play

The sources of light Animation Play

The structure and functions of proteins; carbohydrates and fats Whiteboard exercise Play

The Sun as a light source Student activity Play

The Sun as a source of energy Student activity Play

The velocity of wave propagation Student activity Play

The velocity of wave propagation Animation Play

The vibrating bond Animation Play

Three factors affecting population size Illustration Play

Transistor as a switch Student activity Play

Transverse and longitudinal waves Simulation Play

Transverse and longitudinal waves Student activity Play

Transverse and longitudinal waves Whiteboard exercise Play

Types of information from spectroscopy and other analytical techniques Student activity Play

Types of information from spectroscopy and other analytical techniques Whiteboard exercise Play

Types of waves Animation Play