🎵 Part 1: Sound Properties Multiple Choice

1. What unit is used to measure sound frequency?

Decibels (dB)

Hertz (Hz)

Metres (m)

Seconds (s)

2. What unit is used to measure sound volume (loudness)?

Hertz (Hz)

Decibels (dB)

Watts (W)

Kilograms (kg)

3. A high frequency sound wave has:

Waves close together

Waves far apart

Tall wave peaks

Short wave peaks

4. A high volume sound wave has:

Waves close together

Waves far apart

Tall wave peaks (high amplitude)

Waves that move faster

5. Which of these sounds would likely have the highest frequency? (Select all that apply)

Whistle

Bass drum

Bird chirping

Thunder

📊 Part 2: Wave Analysis and Short Answers

6. Complete the sentences using the correct scientific terms:

a) The _____________ of a sound wave determines how high or low the pitch sounds.

b) The _____________ of a sound wave determines how loud or quiet the sound is.

c) Frequency is measured in _____________ and volume is measured in _____________.

7. Explain the difference between frequency and volume in your own words:

8. Draw two simple wave diagrams in the space below:

High frequency wave:

Low frequency wave:

9. Extension Activity: A sound meter shows a reading of 85 dB and 440 Hz. Describe what this sound might be like and explain your reasoning:

🔬 Part 3: Real-World Applications

10. Match each sound to its likely frequency range by drawing lines:

Deep male voice

Smoke alarm beep

Guitar middle C note

Dog whistle

20,000 Hz (very high)

3,000 Hz (high)

260 Hz (medium)

120 Hz (low)

11. Critical Thinking: Why is it important for scientists and engineers to measure sound frequency and volume? Give two real-world examples:

12. Reflection: How can you tell if a sound has high frequency or high volume just by looking at its wave shape?

Sound Waves Classification Worksheet

Sound Waves Classification Worksheet

🎵 Part 1: Sound Properties Multiple Choice

📊 Part 2: Wave Analysis and Short Answers

🔬 Part 3: Real-World Applications

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