Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 494 · 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 seed is needed for the fizzy balloon. (a) True (b) False
2. 2.⚖️ 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) True (b) False
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) a balloon (d) baking soda
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
5. 5.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
6. 6.🔮 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
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.⚖️ 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
9. 9.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
10. 10.⚖️ 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) size of the balloon (c) the same bottle (d) the kind of balloon
11. 11.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) vinegar (d) an empty bottle
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) baking soda (d) a seed
16. 16.⚖️ 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
17. 17.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
18. 18.⚖️ 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
19. 19.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
20. 20.🔍 Which is the odd one out? (a) vinegar (b) sugar water (c) orange juice (d) tamarind water
21. 21.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) curd (d) plain water
22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a comb (d) an empty bottle
24. 24.🫧 Which of these is neutral? (a) curd (b) vinegar (c) soap solution (d) plain water
25. 25.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
26. 26.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
27. 27.⚖️ 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
28. 28.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a comb (d) baking soda
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
32. 32.True or false: tamarind water is an acid. (a) True (b) False
33. 33.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
34. 34.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a funnel or spoon (d) sugar
36. 36.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a battery cell (d) vinegar
38. 38.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
39. 39.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) tamarind water (b) baking soda water (c) vinegar (d) lemon juice

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