Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 402 · 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 is the odd one out? (a) plain water (b) salt water (c) tamarind water (d) sugar water
2. 2.🫧 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
3. 3.True or false: curd is neutral. (a) False (b) True
4. 4.True or false: baking soda water is an acid. (a) True (b) False
5. 5.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
6. 6.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) plain water (d) salt water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the same bottle (d) the amount of vinegar
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) an empty bottle (c) a funnel or spoon (d) baking soda
9. 9.🔍 Which is the odd one out? (a) vinegar (b) salt water (c) sugar water (d) plain water
10. 10.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
11. 11.True or false: baking soda water is a base. (a) True (b) False
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
13. 13.🫧 Which of these is a base? (a) tamarind water (b) plain water (c) baking soda water (d) orange juice
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) a battery cell (d) a comb
15. 15.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
16. 16.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
17. 17.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) plain water
18. 18.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
20. 20.⚖️ 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
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) an empty bottle (d) a tray for spills
22. 22.⚖️ 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
23. 23.⚖️ 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 amount of vinegar
24. 24.True or false: salt water is neutral. (a) True (b) False
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
26. 26.🫧 Which of these is neutral? (a) curd (b) salt water (c) detergent water (d) orange juice
27. 27.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.⚖️ 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
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
31. 31.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
32. 32.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) a comb (d) vinegar
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
36. 36.🧺 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 battery cell
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) the kind of balloon (d) spoons of baking soda
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) sugar
39. 39.True or false: salt water is an acid. (a) True (b) False
40. 40.🫧 Which of these is a base? (a) detergent water (b) orange juice (c) curd (d) sugar water

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