Circuits Task Cards

1. The circuit does not work. Which procedure would most likely allow the bulbs to light?

• A. Close the switch.
• B. Remove Wire 1.
• C. Remove Wire 6.
• D. Remove a battery.

2. A lab team constructed a circuit using three different-colored light-emitting diodes (LEDs). Which bulb will most likely light if Switch 3 is closed and the other switches are left open?

• A. Green
• B. Yellow
• C. Blue
• D. None of the bulbs

3. If the switch were opened, which bulbs would still light?

• A. Bulbs 1 and 3 only
• B. Bulb 2 only
• C. All three bulbs
• D. None of the bulbs

4. The circuit shown uses a battery to power a motor. What form of energy is the motor primarily used for?

• A. sound
• B. mechanical
• C. light
• D. thermal

5. In some circuits used for decorating, one burned-out bulb prevents the other bulbs from lighting. In other circuits, one burned-out bulb has no effect on other bulbs. In which of these circuits will other bulbs light even if one bulb is burned out?

• A.
• B.
• C.

6. How many bell(s) would ring if Wire X was removed?

• A. 1 bell
• B. 2 bells
• C. 4 bells
• D. 0 bells

7. This circuit has four light-emitting diode (LED) lights. It also has a battery and a switch. Which LEDs produce light when the switch is in the position shown?

• A. 1, 2, 3, and 4
• B. 1 and 2
• C. 3 and 4
• D. None of them

8. All the lightbulbs in this circuit are lit. How many would remain lit if Wire 5 was removed?

• A. 0 bulbs
• B. 1 bulb
• C. 2 bulbs
• D. 3 bulbs

9. This circuit has four light-emitting diode (LED) lights. It also has a battery and a switch. Which LEDs produce light when the switch is in the position shown?

• A. 1 and 2
• B. 1, 2, 3 and 4
• C. 2, 3, and 4
• D. None of the bulbs

10. A lab team constructed a circuit using four different-colored light-emitting diodes (LEDs). Which LEDs produce light when the switch is in the position shown in the diagram?

• A. None of the bulbs
• B. All of the bulbs
• C. Blue and green
• D. Purple, blue, and green