A mobile source and a stationary observer Student activity Play

Chromatin of higher level – chromosome Slideshow Play

Comparing decimals Student activity Play

Divers Simulation Play

Entropy and the probability of transition of a system to a state of higher entropy Student activity Play

Entropy and the probability of transition of a system to a state of higher entropy Whiteboard exercise Play

Higher or lower? Animation Play

Higher taxonomic ranks Student activity Play

Higher taxonomic ranks Chart Play

Higher voltage but lower current Animation Play

Higher voltage but lower current Illustration Play

Higher voltage but lower current Whiteboard exercise Play

Higher voltage but lower current Student activity Play

Higher, lower Whiteboard exercise Play

Higher, lower Student activity Play

The frequency of the wave perceived by the observer Animation Play

The higher mean score Whiteboard exercise Play

The mean Student activity Play

Which ball went higher? Animation Play