A grey body Student activity Play

A grey body Animation Play

A virtual image in a mirror Animation Play

An image in a mirror Student activity Play

Congruent triangles Student activity Play

Congruent triangles Animation Play

Diffraction of sound waves Animation Play

Diffraction of sound waves Student activity Play

Diffraction of X-rays Animation Play

Diffraction of X-rays Student activity Play

How planets reflect light Student activity Play

How planets reflect light Whiteboard exercise Play

Images under symmetry in the coordinate system Whiteboard exercise Play

Names of organic compounds reflect their structures Animation Play

Oscillations of strings in a guitar Animation Play

Radio waves Student activity Play

Reflection of light Student activity Play

Reflection symmetry in the coordinate system in the line y = x Student activity Play

Reflection symmetry in the coordinate system in the lines x = a and y = b Student activity Play

Reflection symmetry in the coordinate system in the x-axis and the y-axis Student activity Play

Reflection symmetry in the horizontal axis Whiteboard exercise Play

Reflection symmetry in the vertical axis Whiteboard exercise Play

Reflection symmetry of a figure in the coordinate system Whiteboard exercise Play

Stringed instruments Student activity Play

The ranges of radio waves Animation Play