1. Science ENGAGE- 2nd Grade
Fizzy Balloon
Science ENGAGE- 2nd Grade

2. How can I get air in this balloon without blowing air into it?
Focus Question:
How can I get air in this balloon without blowing air into it?

3. Materials: • A small bottle • A medium-sized balloon • Vinegar
• Baking soda
• A funnel

4. Procedure:
1. Pour vinegar into a small bottle until it is about half an inch deep.
2. Using a funnel, pour two teaspoons of baking soda into the neck of a balloon.

5. Procedure:
3. Stretch the neck of the balloon over the neck of the bottle, being careful not to let the baking soda out of the balloon.
4. Lift up the balloon so that the baking soda falls into the vinegar. Shake the bottle.
5. Observe what happens.

6. Talk about what happened. What is in the balloon?
Discussion:
Talk about what happened.
What is in the balloon?
Is this a solid, liquid, and gas?