Description: Seeds are placed in a culture dish with pieces of aluminum foil on bottom. When high voltage is applied seeds align with the field making the pattern of field lines visible.
Instructions: Set up as in schematic. Display on overhead projector
Items Used: 4 KV DC power supply, grass seed, electric field dishes, banana leads
Notes: There are several field configurations to choose from. Leads must make contact with dish. Tap on glass to move grass seeds. Math Description: None.
Size: 30 Condition: Good. Hazard: High voltage. 4000 V DC.
