Do it like a pro: a simple experiment showing how invisible gas has weight
I've done that practice yesterday at the workshop with 10-12 year old children and results were great! We have practiced atom structure with mikado-sticks (from the board game NTC-hemikado).
I've done that practice yesterday at the workshop with 10-12 year old children and results were great! We have practiced atom structure with mikado-sticks (from the board game NTC-hemikado).