The possible measures of the other angles Whiteboard exercise Play

The reflex arc and medicine Illustration Play

The withdrawal reflex – an example of an unconditioned reflex Animation Play

Theorem – assumptions and claim Student activity Play

Theorem – assumptions and claim Whiteboard exercise Play

Three circles Student activity Play

Three circles – finding the arcs Whiteboard exercise Play

Time measures Student activity Play

Time measures Whiteboard exercise Play

Torque Whiteboard presentation Play

Torque Class activity Play

Trigonometric ratios – problems Student activity Play

Two isosceles triangles Whiteboard exercise Play

Unconditioned reflexes Student activity Play

Upthrust (buoyant force) Student activity Play

Using a ruler and a compass Animation Play

Using measuring instruments to approximate constructions Student activity Play

Weak acids and weak bases Class activity Play

Weak acids and weak bases Whiteboard presentation Play

What can we do with a ruler and a compass? Student activity Play