On what does the period of a ball pendulum depend? Student activity Play

Operations on the algebraic fractions in physics Student activity Play

Oscillations of strings in a guitar Animation Play

Packing sweets into boxes Whiteboard exercise Play

Packing sweets into boxes Student activity Play

Parameters of the refracting telescopes Whiteboard exercise Play

Passage to a different medium Student activity Play

Passage to a different medium Simulation Play

Perimeter of a rectangle Student activity Play

Perimeter of a rectangle Animation Play

Perimeter of a square Student activity Play

Perimeter of a square Animation Play

Perimeters of geometric figures Student activity Play

Possible positions of two circles Animation Play

Properties of enlargements, part II Student activity Play

Property of a perpendicular bisector Animation Play

Pythagorean theorem in 3-dimensional space Whiteboard exercise Play

Pythagorean theorem in 3-dimensional space Student activity Play

Pythagorean triples Student activity Play

Radii of three circles Whiteboard exercise Play

Radioactive decay Student activity Play

Ratio of two quantities of the same kind Student activity Play

Ratios of sides in a triangle Animation Play

Reflecting telescopes Student activity Play

Reflecting telescopes Animation Play