Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 836 · 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.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
2. 2.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) orange juice (d) tamarind water
3. 3.⚖️ 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 change it (c) we measure it
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) shake it near your face (d) put it in your mouth
6. 6.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
7. 7.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
8. 8.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
11. 11.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) salt water
12. 12.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) vinegar (d) salt water
14. 14.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a funnel or spoon (c) an empty bottle (d) a balloon
16. 16.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) sugar water (d) curd
17. 17.⚖️ 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
18. 18.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) curd (d) baking soda water
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a mirror
21. 21.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) baking soda water (d) plain water
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a funnel or spoon (d) a mirror
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) spoons of baking soda (d) size of the balloon
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a battery cell
26. 26.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
27. 27.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) detergent water (d) soap solution
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) baking soda (d) a comb
29. 29.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
30. 30.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) detergent water (d) lemon juice
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
32. 32.🫧 Which of these is a base? (a) plain water (b) curd (c) salt water (d) baking soda water
33. 33.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) sugar (d) a battery cell
35. 35.True or false: sugar water is neutral. (a) True (b) False
36. 36.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
37. 37.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
38. 38.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) orange juice (d) salt water
39. 39.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) a balloon (d) a funnel or spoon

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