Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 522 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) an empty bottle (c) vinegar (d) a funnel or spoon
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) baking soda (c) an empty bottle (d) a balloon
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
4. 4.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) curd
5. 5.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) curd (d) plain water
6. 6.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
7. 7.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) an empty bottle (d) a magnet
9. 9.⚖️ 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
10. 10.⚖️ 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 keep it the same (c) we change it
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
12. 12.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a funnel or spoon (d) a mirror
14. 14.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
15. 15.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
16. 16.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
17. 17.True or false: lemon juice is an acid. (a) True (b) False
18. 18.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
19. 19.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
22. 22.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) curd (d) salt water
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
24. 24.🧺 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 magnet (d) a balloon
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
26. 26.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
27. 27.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a seed (d) an empty bottle
29. 29.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) detergent water (d) curd
30. 30.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) lemon juice (d) baking soda water
31. 31.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
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 measure it (c) we change it
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
34. 34.⚖️ 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
35. 35.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a comb (d) a seed
37. 37.True or false: sugar water is an acid. (a) True (b) False
38. 38.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) lemon juice
39. 39.True or false: tamarind water is neutral. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) sugar water (d) curd

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