Sound and Vibrations

👩‍🏫 Teacher’s Guide

Objective

Students will understand that sound is made by vibrations and describe simple ways to make and notice vibrations.

Vocabulary

vibration, sound wave, pluck, blow, shake, hit

Teaching Notes

• Use many quick demos so students can see and feel vibrations.
• Encourage simple language and full-sentence speaking.
• Safety: gentle tapping; ask before using classroom objects.

🧒 Student Worksheet

Concept and Helping Material

Sound is energy made by something that moves back and forth very fast. This movement is called a vibration.

Vibrations make sound waves that travel through air to our ears so we can hear.

More Samples and Helping Ideas

• Feel it: put a finger lightly on a humming speaker or box when a rubber band is plucked. You can feel the .
• See it: stretch a rubber band over a box. Pluck it and watch it move back and forth. That motion is a .
• Change it: make the rubber band tighter to hear a sound; make it looser for a sound.
• Compare: we can , , , or .
• Everyday examples: buzzing phone, closing door, humming fridge, clapping hands—all use .

Vocabulary and Definition

• — a fast back-and-forth movement
• — a wave in the air that we hear as sound
• — to pull and release a string or band
• — to push air out from your mouth
• — to move something quickly back and forth
• — to touch something quickly and firmly

Words to Learn

, , , , ,

Sentences to Fill In

1. A drum makes sound when it .

2. Vibrations make .

3. I can make sound when I a rubber band.

4. I make a whistle when I across a bottle.

5. The beans are loud when I the cup.

6. Some instruments we to make sound.

7. A vibration is a back-and-forth .

8. Sound waves travel through the .

9. If I tap the table, I may feel it .

10. We can make sounds by plucking, blowing, shaking, and .

Hands-On Experiment — “Listen to Vibrations”

What You Need: spoon, bowl, pan, glass jar, rubber band.

What You Do: Tap or pluck and listen. Touch gently to feel the . Compare which is loudest and which is softest.

Reflection

• What is one way you made a sound today?
• What part was vibrating?