Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 66 · 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 magnet is needed for the fizzy balloon. (a) False (b) True
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a battery cell (d) baking soda
3. 3.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) salt water (d) curd
4. 4.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) soap solution (d) baking soda water
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
6. 6.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
7. 7.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) lemon juice (d) curd
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) sugar (d) a tray for spills
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) an empty bottle (d) a comb
11. 11.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
13. 13.🔮 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
14. 14.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
15. 15.True or false: orange juice is an acid. (a) False (b) True
16. 16.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
17. 17.⚖️ 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
18. 18.⚖️ 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 keep it the same (c) we measure it
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a balloon (d) a tray for spills
20. 20.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) lemon juice (d) tamarind water
21. 21.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
22. 22.🧺 Do we need a tray for spills 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 mirror (c) a tray for spills (d) an empty bottle
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) no, nothing changes (d) yes, a new gas forms
25. 25.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) baking soda water (d) tamarind water
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) the kind of balloon (d) size of the balloon
27. 27.True or false: plain water is a base. (a) False (b) True
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a funnel or spoon (d) a battery cell
31. 31.⚖️ 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 change it (c) we keep it the same
32. 32.True or false: baking soda water is a base. (a) False (b) True
33. 33.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
34. 34.True or false: detergent water is neutral. (a) True (b) False
35. 35.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
36. 36.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
37. 37.🫧 Which of these is neutral? (a) plain water (b) orange juice (c) tamarind water (d) detergent water
38. 38.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) lemon juice
39. 39.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
40. 40.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False

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