What is the easiest way to change light intensity?

Subject: What is the easiest way to change light intensity?

Date: Tue Nov 9 15:46:18 1999
Posted by No name entered.
Grade level: 10-12 School: No school entered.
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: General Biology
ID: 942180378.Gb

Message:


I am undertaking a project to see how wood lice respond to varying degrees 
of light intensity.  I understand that a light meter measures the light 
intensity in lux, but am unsure exactly of how to vary the light intensity.

Re: What is the easiest way to change light intensity?

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