Basic Idea:

• Examine the behavior of positve and negative charges.

	What:	How Many:	Where:
	Small piece of foil on silk thread	1	non-Majors storeroom, shelf K3
	50 cm rod	1	non-Majors storeroom, shelf A3
	Pendulum clamp	1	non-Majors storeroom, shelf C2
	Large bench clamp	1	non-Majors storeroom, shelf C4
	Glass rod	1	non-Majors storeroom, shelf HH3
	Hard rubber rod	1	non-Majors storeroom, shelf K3
	Dead animal fur (the deader the better)	1 chunk	non-Majors storeroom, shelf K3
	Brown paper towel	1	From dispenser in the lab
	Metal spheres on insulated base	2	non-Majors storeroom, shelf K2
	Roll of shiny Scotch tape	1	non-Majors storeroom, shelf K3
The following item is shared:
	Oscilloscope (an old one)	1	Majors storeroom - Ask Jeff

Notes:

Note to Jeff: Order liquid nitrogen! Need it in Week 4 for Systematic Error experiment!!

• Lab setup (photo details):

  

  ---

• Insulated spheres setup:

  

• Keep the intensity low on the oscilliscope. If it's too high, the effect is not as noticeble.
• Remove the scale from the front of the oscilliscope display.