Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 877 · 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? True or false: size of the balloon is the one thing we change. (a) True (b) False
2. 2.⚖️ 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
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
5. 5.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
6. 6.🫧 Which of these is a base? (a) orange juice (b) tamarind water (c) soap solution (d) lemon juice
7. 7.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) a balloon (d) baking soda
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a tray for spills (d) sugar
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) sugar (d) a battery cell
11. 11.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
13. 13.⚖️ 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
14. 14.🔍 Which is the odd one out? (a) curd (b) orange juice (c) baking soda water (d) tamarind water
15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) the same bottle (d) size of the balloon
17. 17.True or false: vinegar is neutral. (a) True (b) False
18. 18.True or false: sugar water is neutral. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) salt water (d) vinegar
20. 20.📘 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 dissolving (d) it is only melting
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
22. 22.⚖️ 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
23. 23.🔍 Which is the odd one out? (a) soap solution (b) vinegar (c) tamarind water (d) orange juice
24. 24.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
25. 25.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
26. 26.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
27. 27.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) sugar water (d) orange juice
28. 28.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
29. 29.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a seed (d) baking soda
31. 31.🔮 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
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.⚖️ 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) False (b) True
34. 34.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
35. 35.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
36. 36.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
37. 37.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
38. 38.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
39. 39.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
40. 40.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True

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