Circuit Symbols and Diagrams

Name:

Date:

📚 Part 1: Identify the Symbols

1. Which symbol shows a battery?

A pair of alternating long and short lines

A circle with an X inside

A zigzag line

A straight line with a gap

2. Which symbol represents a resistor?

Zigzag line

Circle with filament (X)

Pair of long and short lines

Simple straight line

3. Which picture is a closed switch?

A break in the line with an angled line touching across the gap

A break in the line with an angled line not touching the other side

Two parallel lines (long and short)

A circle with an X

4. Check all that apply: Which of the following are common circuit symbols?

Battery

Wire

Light bulb

Resistor

✏️ Part 2: Match, Draw and Explain

5. Match each symbol description (left) to the correct name (right). Draw lines to match.

A. Long and short paired lines

B. Circle with an X inside

C. Zigzag line

D. Break in a line with a hinge

E. Straight line

1. Resistor

2. Wire

3. Battery

4. Switch

5. Bulb

6. Draw: A simple circuit diagram showing one battery, one bulb and a switch. Label each component and draw an arrow to show the direction of current flow when the switch is closed.

7. Explain in one sentence: Why must a circuit be closed for a bulb to light?

8. Extension (optional): Draw two bulbs in series with one battery. Below your drawing, write what happens to the brightness of each bulb compared with a single bulb circuit: ________