Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 192 · 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) vinegar (b) baking soda (c) a mirror (d) a funnel or spoon
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) a funnel or spoon (d) an empty bottle
3. 3.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) soap solution (d) vinegar
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
5. 5.🫧 Which of these is neutral? (a) detergent water (b) sugar water (c) orange juice (d) soap solution
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
7. 7.⚖️ 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 change it (c) we measure it
8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
10. 10.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a comb (d) sugar
12. 12.⚖️ 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 amount of vinegar (c) size of the balloon (d) the same bottle
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) sugar (d) a tray for spills
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a comb (d) vinegar
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a tray for spills (d) a battery cell
17. 17.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
18. 18.🫧 Which of these is a base? (a) tamarind water (b) curd (c) sugar water (d) baking soda water
19. 19.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
20. 20.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
23. 23.⚖️ 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 same bottle (c) size of the balloon
24. 24.🔍 Which is the odd one out? (a) curd (b) baking soda water (c) lemon juice (d) tamarind water
25. 25.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they react (d) they freeze
26. 26.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a tray for spills (d) baking soda
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) an empty bottle (d) a comb
29. 29.🫧 Which of these is an acid? (a) lemon juice (b) salt water (c) sugar water (d) baking soda water
30. 30.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) salt water (d) tamarind water
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
32. 32.True or false: tamarind water is a base. (a) False (b) True
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
35. 35.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) soap solution (d) orange juice
36. 36.🔍 Which is the odd one out? (a) tamarind water (b) plain water (c) sugar water (d) salt water
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
38. 38.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) outside air gets in (d) gas is made inside
39. 39.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
40. 40.⚖️ 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

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