Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 631 · 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.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a comb (d) an empty bottle
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a balloon (d) a funnel or spoon
4. 4.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) tamarind water (d) soap solution
5. 5.True or false: soap solution is a base. (a) True (b) False
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) vinegar (d) baking soda
7. 7.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
8. 8.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a magnet (d) baking soda
10. 10.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
12. 12.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) detergent water (d) salt water
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the kind of balloon
14. 14.🫧 Which of these is an acid? (a) plain water (b) sugar water (c) soap solution (d) lemon juice
15. 15.⚖️ 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 change it (c) we measure it
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) a balloon (d) a funnel or spoon
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
18. 18.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a comb (d) an empty bottle
21. 21.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
22. 22.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
23. 23.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
24. 24.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
25. 25.True or false: soap solution is neutral. (a) True (b) False
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a seed (d) vinegar
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the kind of balloon (d) the same bottle
28. 28.True or false: tamarind water is an acid. (a) False (b) True
29. 29.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
30. 30.🔍 Which is the odd one out? (a) curd (b) orange juice (c) plain water (d) vinegar
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
34. 34.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a mirror (d) a balloon
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) an empty bottle (d) a funnel or spoon
38. 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
39. 39.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a seed (d) baking soda

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