Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 998 · 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) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) an empty bottle (d) a seed
3. 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
4. 4.🫧 Which of these is an acid? (a) plain water (b) sugar water (c) detergent water (d) curd
5. 5.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) vinegar (d) a balloon
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) sugar (c) a mirror (d) a comb
8. 8.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) plain water (d) sugar water
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
11. 11.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) baking soda (d) a balloon
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) size of the balloon
14. 14.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
15. 15.⚖️ 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 same bottle (c) spoons of baking soda
16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) baking soda (d) a balloon
18. 18.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
19. 19.📘 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
20. 20.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
21. 21.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
22. 22.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) soap solution
23. 23.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
24. 24.⚖️ 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
25. 25.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) orange juice
26. 26.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
27. 27.True or false: plain water is neutral. (a) False (b) True
28. 28.🫧 Which of these is a base? (a) salt water (b) tamarind water (c) soap solution (d) lemon juice
29. 29.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) detergent water (d) curd
30. 30.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) soap solution (d) baking soda water
34. 34.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
35. 35.🔍 Which is the odd one out? (a) curd (b) detergent water (c) soap solution (d) baking soda water
36. 36.🫧 Which of these is a base? (a) vinegar (b) lemon juice (c) tamarind water (d) baking soda water
37. 37.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
38. 38.⚖️ 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 kind of balloon (d) spoons of baking soda
39. 39.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a funnel or spoon (d) a tray for spills

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