Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 781 · 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.⚖️ 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 measure it (c) we keep it the same
2. 2.⚖️ 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
3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
4. 4.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
5. 5.⚖️ 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) size of the balloon (c) the same bottle (d) spoons of baking soda
6. 6.⚖️ 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
7. 7.⚖️ 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
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) baking soda (c) a funnel or spoon (d) a tray for spills
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a funnel or spoon (d) sugar
12. 12.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
13. 13.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) sugar water (d) salt water
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a funnel or spoon (d) a battery cell
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
17. 17.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a battery cell (d) a balloon
19. 19.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a mirror (d) a funnel or spoon
23. 23.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) tamarind water (d) baking soda water
24. 24.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) baking soda (d) a seed
26. 26.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) detergent water (d) soap solution
27. 27.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
28. 28.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) salt water (d) curd
29. 29.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) curd (d) vinegar
30. 30.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) orange juice (d) sugar water
31. 31.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
32. 32.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
33. 33.🫧 Which of these is neutral? (a) lemon juice (b) curd (c) plain water (d) detergent water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
35. 35.⚖️ 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 measure it (c) we keep it the same
36. 36.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
37. 37.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
38. 38.True or false: soap solution is a base. (a) True (b) False
39. 39.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
40. 40.True or false: vinegar is neutral. (a) False (b) True

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