Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 319 · 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.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) the amount of vinegar (d) spoons of baking soda
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Which of these is neutral? (a) plain water (b) lemon juice (c) soap solution (d) curd
6. 6.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
7. 7.🫧 Which of these is an acid? (a) curd (b) soap solution (c) plain water (d) detergent water
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.🫧 Which of these is an acid? (a) salt water (b) orange juice (c) sugar water (d) baking soda water
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
13. 13.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
15. 15.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) sugar water (d) plain water
16. 16.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a battery cell (d) baking soda
19. 19.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) baking soda (d) a funnel or spoon
21. 21.True or false: baking soda water is neutral. (a) True (b) False
22. 22.🔮 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
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) a tray for spills (d) an empty bottle
24. 24.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.True or false: plain water is neutral. (a) True (b) False
26. 26.True or false: tamarind water is a base. (a) False (b) True
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
28. 28.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
29. 29.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a seed (c) sugar (d) a comb
32. 32.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
33. 33.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
34. 34.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) curd (d) soap solution
35. 35.🫧 Which of these is an acid? (a) plain water (b) salt water (c) detergent water (d) lemon juice
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
37. 37.🫧 Which of these is a base? (a) orange juice (b) plain water (c) salt water (d) baking soda water
38. 38.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
39. 39.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a seed (d) a battery cell

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