Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 72 · 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? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) baking soda (d) an empty bottle
3. 3.⚖️ 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
4. 4.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
5. 5.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
6. 6.🔮 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
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) an empty bottle (d) a comb
9. 9.🫧 Which of these is neutral? (a) detergent water (b) tamarind water (c) sugar water (d) curd
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) baking soda (d) a comb
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
12. 12.🫧 Which of these is neutral? (a) orange juice (b) soap solution (c) plain water (d) lemon juice
13. 13.⚖️ 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
14. 14.True or false: lemon juice is a base. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) plain water (d) vinegar
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) baking soda (d) a battery cell
17. 17.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
18. 18.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
19. 19.True or false: tamarind water is a base. (a) False (b) True
20. 20.🫧 Which of these is neutral? (a) lemon juice (b) detergent water (c) salt water (d) orange juice
21. 21.🔍 Which is the odd one out? (a) salt water (b) orange juice (c) sugar water (d) plain water
22. 22.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
23. 23.⚖️ 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 kind of balloon (c) the same bottle (d) spoons of baking soda
24. 24.🫧 Which of these is a base? (a) vinegar (b) lemon juice (c) tamarind water (d) detergent water
25. 25.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a funnel or spoon (d) an empty bottle
27. 27.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
28. 28.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
29. 29.🔍 Which is the odd one out? (a) salt water (b) plain water (c) soap solution (d) sugar water
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) salt water (d) soap solution
32. 32.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) sugar water (d) detergent water
33. 33.True or false: detergent water is a base. (a) False (b) True
34. 34.⚖️ 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
35. 35.True or false: soap solution is an acid. (a) False (b) True
36. 36.⚖️ 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
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) lemon juice
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a funnel or spoon (d) vinegar

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