Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 429 · 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 of these is neutral? (a) salt water (b) tamarind water (c) orange juice (d) vinegar
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a funnel or spoon (d) baking soda
4. 4.⚖️ 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
5. 5.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
6. 6.🫧 Which of these is a base? (a) sugar water (b) detergent water (c) salt water (d) lemon juice
7. 7.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
8. 8.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) tamarind water
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
10. 10.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a balloon (d) a magnet
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) vinegar (d) baking soda
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
17. 17.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.⚖️ 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
19. 19.⚖️ 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
20. 20.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) soap solution (d) salt water
21. 21.⚖️ 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 kind of balloon (c) the same bottle (d) the amount of vinegar
22. 22.🫧 Which of these is a base? (a) plain water (b) curd (c) tamarind water (d) soap solution
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a seed (d) sugar
24. 24.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) tamarind water (d) plain water
25. 25.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
26. 26.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a battery cell (d) vinegar
28. 28.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a seed (d) a funnel or spoon
30. 30.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only melting (d) it is only dissolving
31. 31.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
32. 32.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) vinegar (d) soap solution
33. 33.True or false: detergent water is neutral. (a) True (b) False
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the same bottle (c) the amount of vinegar (d) size of the balloon
35. 35.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) curd (d) salt water
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🔍 Which is the odd one out? (a) orange juice (b) detergent water (c) soap solution (d) baking soda water
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) an empty bottle (d) a tray for spills
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a balloon (d) sugar
40. 40.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed

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