Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 545 · 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.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
2. 2.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
3. 3.⚖️ 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
4. 4.🔍 Which is the odd one out? (a) plain water (b) tamarind water (c) salt water (d) sugar water
5. 5.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
6. 6.⚖️ 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
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) an empty bottle (d) a magnet
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a magnet (d) a battery cell
10. 10.🫧 Which of these is neutral? (a) curd (b) tamarind water (c) sugar water (d) soap solution
11. 11.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
12. 12.🛟 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
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) the kind of balloon (d) the amount of vinegar
14. 14.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
15. 15.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
16. 16.⚖️ 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 change it (c) we measure it
17. 17.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a battery cell (d) a mirror
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a funnel or spoon (d) a mirror
20. 20.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
21. 21.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
22. 22.⚖️ 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
23. 23.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) detergent water
24. 24.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
25. 25.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.True or false: orange juice is an acid. (a) False (b) True
28. 28.True or false: soap solution is an acid. (a) True (b) False
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a seed (d) a funnel or spoon
31. 31.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) detergent water (d) baking soda water
32. 32.True or false: soap solution is a base. (a) False (b) True
33. 33.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
34. 34.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) salt water (d) lemon juice
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a comb (c) a funnel or spoon (d) a tray for spills
39. 39.True or false: vinegar is neutral. (a) True (b) False
40. 40.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True

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