Angle sum of a triangle – observation and proof Student activity Play

Butterflies Student activity Play

Butterflies Whiteboard exercise Play

Exterior angle of a triangle – observation and proof Student activity Play

First steps in microbiology Student activity Play

Frequency density Student activity Play

Frequency density Animation Play

Functions derived from observations Student activity Play

Functions derived from observations Whiteboard exercise Play

How often? Student activity Play

How often? Whiteboard exercise Play

How to derive function from observation Animation Play

Median and the 'true value' of measurements Student activity Play

Median – the central value Student activity Play

Middle of all the ordered observations Animation Play

Observation of the stars Whiteboard exercise Play

Observation of the temperature changes of the system during a chemical reaction Animation Play

Observation of the Universe Student activity Play

Observation of the Universe Whiteboard exercise Play

Observations Student activity Play

Observations Whiteboard exercise Play

Observations Whiteboard exercise Play

Observations Student activity Play

Observing ISS Whiteboard exercise Play

Preliminary microbiological examination Slideshow Play