Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 961 · 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.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a seed (d) an empty bottle
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a tray for spills (d) vinegar
3. 3.⚖️ 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
4. 4.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Which of these is a base? (a) curd (b) plain water (c) baking soda water (d) vinegar
6. 6.⚖️ 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 change it (c) we keep it the same
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
9. 9.⚖️ 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
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) baking soda (c) sugar (d) a battery cell
11. 11.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) baking soda (d) a funnel or spoon
13. 13.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
14. 14.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
15. 15.🔍 Which is the odd one out? (a) vinegar (b) salt water (c) sugar water (d) plain water
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a balloon (d) a battery cell
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
18. 18.🛟 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
19. 19.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
20. 20.True or false: curd is an acid. (a) False (b) True
21. 21.⚖️ 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
22. 22.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) tamarind water
23. 23.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
24. 24.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
25. 25.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
26. 26.True or false: vinegar is neutral. (a) False (b) True
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) sugar
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
29. 29.⚖️ 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
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a seed (d) baking soda
31. 31.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.True or false: sugar water is neutral. (a) False (b) True
34. 34.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
35. 35.🫧 Which of these is an acid? (a) plain water (b) sugar water (c) soap solution (d) curd
36. 36.⚖️ 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
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
38. 38.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a mirror (d) a balloon
40. 40.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze

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