Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 547 · 40 questions

What you do (Acid + base → gas): 1. Pour vinegar into the plastic bottle, standing on a tray. 2. Spoon two teaspoons of baking soda into the balloon. 3. Stretch the balloon over the bottle’s mouth, letting it hang to the side. 4. Lift the balloon so the soda drops in, and keep faces back.

1. 1.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) vinegar (d) salt water
3. 3.🫧 Which of these is a base? (a) soap solution (b) orange juice (c) curd (d) vinegar
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
6. 6.🫧 Which of these is a base? (a) sugar water (b) orange juice (c) baking soda water (d) vinegar
7. 7.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
8. 8.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
9. 9.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a funnel or spoon (d) vinegar
11. 11.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a comb (d) vinegar
15. 15.True or false: lemon juice is an acid. (a) False (b) True
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) the same bottle (d) the kind of balloon
17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
18. 18.🫧 Which of these is an acid? (a) orange juice (b) salt water (c) sugar water (d) detergent water
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) a magnet (d) vinegar
20. 20.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
22. 22.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) the bottle shrinks (d) outside air gets in
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) vinegar (d) a mirror
24. 24.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
25. 25.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
26. 26.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
27. 27.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
30. 30.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
31. 31.True or false: orange juice is an acid. (a) False (b) True
32. 32.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
33. 33.True or false: detergent water is neutral. (a) False (b) True
34. 34.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
35. 35.True or false: sugar water is a base. (a) False (b) True
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a battery cell (d) vinegar
37. 37.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) plain water
38. 38.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a comb (d) a funnel or spoon
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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