and parallel circuits.
Learning Task 1. Prepare the materials listed below. If not available, you may
use other materials at home to perform the activity. You may ask the help of
your parents/guardians or any adult members of the family if needed.
Title: Build a Circuit
Materials:
1/8 illustration board
two batteries
electric tape
aluminum foil or pieces of electric wires
Procedures:
(Note: Handle the materials with care especially the bulb)
Setup A
1. Design a series circuit similar to the illustration on the previous page.
Lay the circuit out on the illustration board.
2. Try removing one of the bulbs. Did the other bulb still light up?
Setup B
1. Design a series circuit similar to the illustration on the previous page.
Lay the circuit out on the illustration board.
2. Try removing one of the bulbs. Did the other bulb still light up?
Questions:
1. What may happen if you add another bulb to both of your setups
Why?
2. What may happen if the filament of one of the bulbs in your first
setup melts & Why?
3. What may happen if the filament of one of the bulbs in your second
setup melts? Why?
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