baking soda and vinegar experiment

1. 1.What is the first material added to the bottle in the experiment?

• Baking soda

• Water

• Vinegar

• Carbon dioxide

2. How much vinegar is needed for the experiment?

• 1/2 cup

• 3/4 cup

• 1 cup

• 2 cups

3. What happens when baking soda and vinegar are combined?

• They create a solid

• They undergo a chemical reaction

• They stay the same

• They evaporate

4. What is produced as a result of the chemical reaction?

• Oxygen

• Hydrogen

• Sodium acetate

• All of the above

5. What gas fills the balloon during the experiment?

• Carbon dioxide

• Oxygen

• Nitrogen

• Helium

6. Why might it be helpful to practice putting the balloon on the bottle before the experiment?

• To ensure the balloon is the right size

• To get the hang of it quickly

• To make it more colourful

• To make the experiment last longer

7. What does a chemical reaction form?

• No change at all

• New chemicals

8. What is the main purpose of this experiment?

• To make a drink

• To mix colours

• To create a solid

• To blow up a balloon using chemicals

9. What type of reaction is demonstrated in this experiment?

• Physical change

• Chemical reaction

• Freezing

• Melting

10. What should you do after pouring the baking soda into the bottle?

• Wait for 10 minutes

• Stir the mixture

• Quickly put the balloon over the bottle opening

• Add more vinegar