Degree measure Whiteboard exercise Play

Degree measure Student activity Play

Degree measure Animation Play

Determination of enthalpy change in combustion reactions (1) Student activity Play

Determining angles Whiteboard exercise Play

Diffraction and interference Class activity Play

Diffraction and interference Class activity Play

Diffraction and interference Whiteboard presentation Play

Diffraction and interference Whiteboard presentation Play

Drawing an angle Whiteboard exercise Play

Drawing angles Student activity Play

Enthalpy change does not depend on the reaction pathway Animation Play

Entropy as a measure of the disorder of a system Whiteboard exercise Play

Entropy as a measure of the disorder of a system Student activity Play

Equal angles imply parallel lines Student activity Play

Equations of motion Animation Play

Equations of motion Student activity Play

Equilibrium of the moments of the forces Animation Play

Finding angles Whiteboard exercise Play

Finding angles Student activity Play

Finding the exact values of trigonometric ratios for selected angles Student activity Play

Finding the measure of an angle Whiteboard exercise Play

Finding the measure of an angle of a right-angled triangle Whiteboard exercise Play

Finding the measure of interior angles Whiteboard exercise Play

Finding the measures of all angles and sides Animation Play