Inverse proportionality

Direct proportionlality

a x b = c x d

Newton's First Law

Newton's 2nd and 3rd Laws

V = IR

Transformer simulation

Freebies and Handouts

Independent Reviews

Videos within physconcepts


Innovative Finalist

Based on suggestions by Professor Laithwaite of Imperial College

The plumbing analogy explains circuits, diodes and alternating current

The electrical experiment can be done as a class practical

Equation sizing shows PROPORTIONALITIES between V, I and R

The program greatly encourages class discussion

Click on FREEBIES for the teacher and student worksheets

The students love to get involved with the click and plot graph drawing

Mouse over image to see a different screenshot


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