Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 351 · 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.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a mirror (d) a magnet
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
4. 4.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) the kind of balloon
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) a seed
7. 7.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
9. 9.🔍 Which is the odd one out? (a) vinegar (b) curd (c) detergent water (d) tamarind water
10. 10.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) baking soda (d) an empty bottle
12. 12.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
14. 14.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
16. 16.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
17. 17.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
18. 18.🫧 Which of these is a base? (a) baking soda water (b) tamarind water (c) salt water (d) vinegar
19. 19.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a balloon (c) vinegar (d) baking soda
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) an empty bottle (d) a tray for spills
24. 24.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
25. 25.⚖️ 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
26. 26.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
28. 28.True or false: tamarind water is a base. (a) True (b) False
29. 29.True or false: plain water is neutral. (a) False (b) True
30. 30.🫧 Which of these is an acid? (a) plain water (b) salt water (c) detergent water (d) lemon juice
31. 31.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) an empty bottle (c) a tray for spills (d) a balloon
33. 33.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) tamarind water (d) baking soda water
34. 34.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
35. 35.⚖️ 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) the same bottle (c) spoons of baking soda (d) the kind of balloon
36. 36.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
37. 37.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
38. 38.True or false: curd is neutral. (a) False (b) True
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a magnet (d) vinegar
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) vinegar (d) a funnel or spoon

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