Radian measure of angles Animation Play

Radiation Animation Play

Radiation Animation Play

Radioactive decay Student activity Play

Radioactivity Student activity Play

Radioactivity Animation Play

Radioactivity – time relationship Illustration Play

Rate of change on the straight line Student activity Play

Rate of radioactive decay Animation Play

Ratio of two quantities of different kinds Whiteboard exercise Play

Ratio of two quantities of different kinds Student activity Play

Reading the graph Student activity Play

Rectilinear motion and circular motion Animation Play

Relationship between air resistance and speed Whiteboard exercise Play

Relationship between air resistance and speed Student activity Play

Relationship between distance and time Animation Play

Relationship between location and time Student activity Play

Relationship between location and time Whiteboard exercise Play

Roemer's proof Whiteboard exercise Play

Roemer's proof Student activity Play

Roots of a polynomial Student activity Play

Rounded measures Animation Play

Rounding a number Animation Play

Satellite navigation systems Student activity Play

Second-order reaction Animation Play