Introduction

The machine

The story

Static history

The challenge

For teachers

For reference

 

 Task 11.

Priestley/Coulomb Challenge.

Priestley's electrostatic machine.

 

Priestley suggested and Coulomb proved that the force caused by static electricity obeys an 'inverse-square law'.

Research task.

What is the 'inverse square law'? What sort of situations can it be applied to. You may find this link useful.

http://www.exploratorium.edu/snacks/inverse_square_law.html http://www.exploratorium.edu/snacks/inverse_square_law.html 

Presentation.

You will be expected to present your findings to the group.

 This PowerPoint presentation may be of some use (remember to left click to advance the show)

Enter the Key word :

Select the Search Engine :

Yahoo
Altavista
WebCrawler
Excite
Lycos
Hotbot
Infoseek
Metacrawler
Search.com

Open in a new window