A change in speed during the passage to a different medium Whiteboard exercise Play

A change in speed during the passage to a different medium Animation Play

A change in the intensity of X-radiation Whiteboard exercise Play

A change in the medium of wave propagation Simulation Play

A change in the medium of wave propagation Whiteboard exercise Play

A change in the medium of wave propagation Student activity Play

A change in the state of matter Animation Play

A change in voltage Whiteboard exercise Play

A change in voltage Student activity Play

A change in voltage Simulation Play

A change of medium Whiteboard exercise Play

A change of medium Animation Play

A change of medium Student activity Play

A change of medium Simulation Play

A change of nutrient in the culture medium Animation Play

A mobile source and a stationary observer Student activity Play

A mobile source and a stationary observer Simulation Play

A plate Student activity Play

A plate Animation Play

A plate Simulation Play

A plate Whiteboard exercise Play

A pump Whiteboard exercise Play

A spoon in a glass of water Animation Play

A stationary source and a mobile observer Student activity Play

A stationary source and a mobile observer Simulation Play