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Sound and Vibrations Exploration
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Sound and Vibrations Exploration
🔊 Part 1: Understanding Sound
1. What causes sound to be made?
Vibrations in objects
Light from the sun
Moving air only
Loud noises
2. Which of these words describe features of sound? (Tick all that apply)
Pitch (high or low)
Volume (loud or quiet)
Colour
Vibration
3. How does sound travel to our ears?
Through the air
Through light beams
It doesn't travel
Only through water
🎵 Part 2: Glass Bottle Xylophone Investigation
4. Before we started the experiment, what did you predict would happen to the pitch when we added more water to the bottles?
5. Draw your glass bottle xylophone below. Label each bottle with its water level (empty, quarter full, half full, three quarters full).
6. Complete this sentence about what you discovered:
When there is more water in the bottle, the pitch becomes _____________ because the vibrations are _____________.
7. Circle the correct word: A bottle with lots of water makes a (HIGH / LOW) pitch sound.
8. If you wanted to make the highest pitch sound, which bottle would you choose?
The empty bottle
The bottle that is half full
The bottle that is completely full
🤔 Part 3: Thinking About Sound
9. Match the vocabulary words to their meanings by drawing lines:
Vibration
Pitch
Volume
How loud or quiet a sound is
Quick back and forth movements
How high or low a sound is
10. Write one new thing you learned about sound today:
11. Think of an instrument you could make at home using household items. Describe it here:
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