Introductory lab on electric circuits and how light bulbs work. Begins development of understanding regarding current as indicated by bulb brightness when other factors are constant.
|Objects, Assorted, Elec Cond Test||JE 105A - S135||1 per table|
|Battery, D 1.5V||JE-105A-S136,D100||4 per table|
|Holder, D-Battery, Single||JE-105A-s136||1 per table|
|Holder, Light Bulb, Miniature||JE-105A-S137||1 per table|
|Light Bulbs, Miniature #48||JE-105A-S137||4 per table|
|Wire, Copper, Insulated, #22||JE-105A-S137||3 per table|
|Light Bulb (Base Cut Open)||JE 105A-S137||10 per room|
|Switch, Momentary, Contact Key, Telegraph||JE-105A-S137||1 per table|
|Multimeter, Digital, Extech EX420 - Battery||JE-105A-D103||1 per room|
|Battery Tester||JE-105A-D57||1 per room|
Leave at least one DMM and one battery tester on teacher table for every electricity lab. Place one battery, light bulb, and wire in front of each seat. Leave the battery in the battery holder, light bulb in the light bulb holder, and bag of assorted objects one the end (or somewhere out of the way) of each desk. Place container containing large light bulbs with the base cut open on the front table (at least 10 so each group will have one to use, having additional bulbs available is ideal).