Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 353 · 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.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda
3. 3.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) vinegar
4. 4.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
5. 5.⚖️ 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
6. 6.True or false: tamarind water is a base. (a) False (b) True
7. 7.True or false: vinegar is an acid. (a) True (b) False
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a battery cell (d) sugar
9. 9.🫧 Which of these is neutral? (a) tamarind water (b) curd (c) soap solution (d) plain water
10. 10.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they react (d) they float apart
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) an empty bottle (d) a comb
12. 12.🫧 Which of these is a base? (a) tamarind water (b) lemon juice (c) curd (d) soap solution
13. 13.⚖️ 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) size of the balloon (d) the kind of balloon
14. 14.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) baking soda (d) a funnel or spoon
16. 16.🫧 Which of these is a base? (a) baking soda water (b) curd (c) salt water (d) orange juice
17. 17.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) salt water (d) sugar water
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) vinegar (d) baking soda
20. 20.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) soap solution (d) lemon juice
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a funnel or spoon (d) sugar
22. 22.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) a tray for spills (d) an empty bottle
26. 26.True or false: curd is neutral. (a) True (b) False
27. 27.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
32. 32.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
33. 33.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
34. 34.True or false: detergent water is an acid. (a) False (b) True
35. 35.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) baking soda (d) a magnet
38. 38.🛟 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
39. 39.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) tamarind water (d) baking soda water
40. 40.🔮 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

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