Alka Seltzer and Balloon

Instructions:

1. Find the Alka Seltzer and Balloon Card in The BOX.

2. Stretch out the balloon

3. Child opens the Alka Seltzer and puts one tablet into the balloon

4. An adult fills up with a little bit of water (until the balloon is full, but isn’t expanding)

5. An adult ties the balloon as fast as possible.

6. Child holds the balloon in hand and observes what happens.

7. Repeat if desired!

InterACTions:

Before:

• What do you think will happen when you mix the Alka Seltzer and Water in the balloon?

During:

• Wow, what do you notice is happening to the balloon?

• What is changing?

• Why do you think that the balloon is growing?

• What can you hear when you put the balloon to your ear?

After:

• What can we do with the balloon?

• What do you think is inside if we pop it?