pre-lab preparation sheet for lab 4—batteries, bulbs, and current

Question 1-6: Sketch two arrangements for which the bulb lights.
Question 1-7: Sketch two arrangements for which the bulb doesn’t light.
Question 1-8: Describe as fully as possible the conditions needed for the bulb to light.
Explain why the bulb fails to light in the arrangements drawn in answer to Question 1-7.
Next you will explore materials connected between a battery and a bulb allow the bulb to
light. Since it seems that something flows from the battery to the bulb, we refer to
materials that allow this flow as conductors and those that don’t as nonconductors or
insulators.
You will need
• common objects (paper clips, pencils, coins, rubber bands, fingers, paper, keys, etc.)
Activity 1-3: Other Materials Between the Battery and Bulb
Set up the single wire, battery, and bulb so that the bulb lights, e.g., one of the
arrangements drawn in your answer to Question 1-6. Then, with the help of your partner,
stick a variety of the common objects available between the battery and the bulb.
Question 1-9: List some materials that allow the bulb to light.
Question 1-10: List some materials that prevent the bulb from lighting.
Lab 04 – Batteries and Current