Week 02 · Monday: Make It Buzz (Science Launch G1)

Monday: Stop the shake

Rocket taps a pot lid. Bonnng! The sound goes on and on.

Raven touches the lid with her hand.

The sound stops! Nova asks, "Why did it stop?"

Last week you learned that sound is shaking.

A tapped lid vibrates, and the vibrating makes sound.

Raven held the lid still with her hand.

The lid stopped vibrating.

When the vibrating stops, the sound stops too.

What happens	Sound?
The lid vibrates	Yes, we hear it
A hand holds the lid still	No, the sound stops

SHAKE AND SOUND

Raven holds the lid still. What happens to the sound?

What does a lid do while it makes sound?

Sentence	True or false?
A vibrating lid makes sound.	?
A lid held very still keeps ringing loudly.	?
Stopping the vibrating stops the sound.	?

WHY THIS EXERCISEVibrating things make sound. Still things make no sound.

Try it

Ask a grown-up to tap a pot lid.
Listen to the ring.
Now touch the lid gently with your hand.
What happens to the ring?

STILL MEANS QUIET

The pot lid rings on and on. What is it doing?

How did Raven stop the sound?

A bell is ringing. How can you stop it?

A guitar string stops moving. What do you hear?

Sentence	True or false?
A still lid makes no sound.	?
Sound keeps going after the shaking stops.	?
A hand can stop a lid from vibrating.	?
Vibrating makes sound.	?

WHY THIS EXERCISESound lasts only while something vibrates.

Draw a hand stopping a ringing lid.

Here are new sight words.

Look at each word. Say it. Spell it.

As: A-S.

Ask: A-S-K.

FIND THE WORD

Find the word you hear.

FILL THE GAP

The rock is ___ big as a ball.

You can ___ a grown-up for help.

You found out how to stop a sound!

Tomorrow you will find five ways to make sound.