Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 775 · 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) baking soda (b) a magnet (c) a balloon (d) an empty bottle
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a balloon (d) a seed
4. 4.⚖️ 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
5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
6. 6.🫧 Which of these is an acid? (a) salt water (b) plain water (c) curd (d) baking soda water
7. 7.⚖️ 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
8. 8.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
9. 9.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
10. 10.🫧 Which of these is neutral? (a) baking soda water (b) soap solution (c) sugar water (d) orange juice
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) plain water (d) sugar water
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the amount of vinegar
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
15. 15.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
16. 16.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
17. 17.⚖️ 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 amount of vinegar (c) size of the balloon
18. 18.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
19. 19.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
20. 20.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) detergent water
22. 22.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) soap solution (d) salt water
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.🫧 Which of these is neutral? (a) soap solution (b) plain water (c) vinegar (d) baking soda water
26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
27. 27.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
28. 28.⚖️ 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
29. 29.True or false: soap solution is neutral. (a) False (b) True
30. 30.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
31. 31.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
32. 32.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
34. 34.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) baking soda water (d) sugar water
35. 35.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
36. 36.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
37. 37.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) plain water (d) curd
40. 40.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) curd

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