Rate of respiration Slideshow Play

Rates of change Whiteboard presentation Play

Rates of change Class activity Play

Rates of water evaporation Slideshow Play

Ratio and proportion Whiteboard presentation Play

Ratio and proportion Class activity Play

Reactants' concentration and the reaction rate Animation Play

Reaction rate Whiteboard presentation Play

Reaction rate Class activity Play

Reaction rate Class activity Play

Reaction rate Whiteboard presentation Play

Reaction rate Student activity Play

Regulation of heart rate by the nervous and endocrine systems Slideshow Play

Relative velocity vectors Whiteboard exercise Play

Relative velocity vectors Student activity Play

Repeated percentage change Class activity Play

Repeated percentage change Whiteboard presentation Play

Reproduction rate (fecundity) Whiteboard exercise Play

Reproduction rate (fecundity) Student activity Play

Roasting turkey Animation Play

Role of adrenaline Slideshow Play

Savings account Student activity Play

Savings account Whiteboard exercise Play

Second-order reaction Animation Play

Second-order reactions Student activity Play