Surface areas of some solids Student activity Play

Surface areas of some solids Animation Play

Symmetries with respect to a line and to a point Student activity Play

Symmetries with respect to parallel lines Whiteboard exercise Play

Symmetries with respect to parallel lines Student activity Play

Symmetries with respect to two perpendicular lines Student activity Play

Symmetries with respect to two perpendicular lines Whiteboard exercise Play

Symmetry in real life Animation Play

Symmetry with respect to a line and rotation through 90° Student activity Play

Symmetry with respect to a line and rotation through 90° Whiteboard exercise Play

The ability of liquids to change shape Slideshow Play

The ability of liquids to change shape is a useful property Whiteboard exercise Play

The ability of liquids to change shape is a useful property Student activity Play

The area of a circle Animation Play

The area of a plane shape Animation Play

The arrangement of chemical elements in the periodic table Animation Play

The complex structure of matter Animation Play

The correct perpendicular lines Whiteboard exercise Play

The curvature of a path by a constant force Student activity Play

The Doppler effect and the formation of a shock wave Student activity Play

The Doppler effect and the formation of a shock wave Simulation Play

The effect of temperature on the dissolution of solids in water Animation Play

The enlargement of the tags Animation Play

The flower for Yoko Animation Play

The focal length and the shape of a lens Animation Play