Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 489 · 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.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
2. 2.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the gas froze (d) the balloon got cold
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a mirror
4. 4.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a comb (d) vinegar
6. 6.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) plain water (d) tamarind water
7. 7.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) sugar water (d) orange juice
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
9. 9.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) outside air gets in (d) vinegar is hot
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
11. 11.⚖️ 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
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a magnet
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
15. 15.True or false: sugar water is neutral. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) plain water (d) sugar water
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) baking soda (d) a battery cell
18. 18.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
19. 19.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
20. 20.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
21. 21.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
22. 22.🫧 Which of these is a base? (a) vinegar (b) detergent water (c) salt water (d) sugar water
23. 23.🔍 Which is the odd one out? (a) plain water (b) soap solution (c) sugar water (d) salt water
24. 24.📘 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
25. 25.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) detergent water (d) soap solution
27. 27.🫧 Which of these is neutral? (a) orange juice (b) curd (c) plain water (d) baking soda water
28. 28.True or false: orange juice is an acid. (a) False (b) True
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) it glows in the dark (d) nothing at all
31. 31.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) lemon juice (d) salt water
32. 32.⚖️ 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) size of the balloon (c) the amount of vinegar (d) the kind of balloon
33. 33.True or false: plain water is neutral. (a) True (b) False
34. 34.⚖️ 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 change it (c) we keep it the same
35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) a funnel or spoon (d) baking soda
37. 37.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
38. 38.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a funnel or spoon (d) a mirror

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