Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 830 · 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.⚖️ 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
2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
3. 3.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
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 change it (c) we measure it
5. 5.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
6. 6.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a balloon (c) vinegar (d) baking soda
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) sugar (d) a tray for spills
9. 9.⚖️ 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 amount of vinegar (d) the same bottle
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
11. 11.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
12. 12.🫧 Which of these is neutral? (a) soap solution (b) curd (c) plain water (d) tamarind water
13. 13.⚖️ 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
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a funnel or spoon (d) a mirror
15. 15.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
16. 16.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) salt water (d) vinegar
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a battery cell (d) vinegar
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
20. 20.True or false: detergent water is an acid. (a) False (b) True
21. 21.⚖️ 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 amount of vinegar (c) spoons of baking soda
22. 22.⚖️ 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
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) vinegar (d) baking soda
24. 24.⚖️ 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
25. 25.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
26. 26.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
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.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
29. 29.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a balloon (d) a mirror
31. 31.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
32. 32.⚖️ 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) spoons of baking soda (d) size of the balloon
33. 33.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
34. 34.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
36. 36.True or false: baking soda water is a base. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) tamarind water
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a battery cell
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) baking soda (d) a comb
40. 40.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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