A light nanosecond Animation Play

A magnifying glass Animation Play

A magnifying glass Student activity Play

A magnifying glass Simulation Play

A microscope Student activity Play

A mirror and a light bulb Whiteboard exercise Play

A mirror and a light bulb Student activity Play

A mobile source and a stationary observer Simulation Play

A mobile source and a stationary observer Student activity Play

A mobile source and a stationary observer Whiteboard exercise Play

A moving pulley Whiteboard exercise Play

A moving pulley Student activity Play

A pulley Animation Play

A refracting telescope Animation Play

A refracting telescope Student activity Play

A standing wave Animation Play

A standing wave Student activity Play

A standing wave Whiteboard exercise Play

A stationary pulley Simulation Play

A stationary pulley Whiteboard exercise Play

A stationary pulley Student activity Play

A stationary source and a mobile observer Whiteboard exercise Play

A stationary source and a mobile observer Student activity Play

A stationary source and a mobile observer Simulation Play

A tackle Whiteboard exercise Play