Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 817 · 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 not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a seed (d) a funnel or spoon
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
4. 4.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) soap solution
5. 5.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
6. 6.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
8. 8.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) detergent water (d) vinegar
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a mirror (c) a magnet (d) a seed
12. 12.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the amount of vinegar (d) the kind of balloon
14. 14.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
15. 15.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
16. 16.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) baking soda (c) a seed (d) sugar
18. 18.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) sugar water (d) detergent water
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a tray for spills (d) an empty bottle
20. 20.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
22. 22.⚖️ 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) size of the balloon (d) the same bottle
23. 23.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a magnet (d) a tray for spills
25. 25.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
27. 27.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
28. 28.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
29. 29.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a comb (d) a balloon
31. 31.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
32. 32.🫧 Which of these is a base? (a) lemon juice (b) curd (c) soap solution (d) salt water
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a balloon (c) baking soda (d) a tray for spills
34. 34.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
35. 35.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) sugar water (d) baking soda water
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a battery cell (d) a tray for spills
37. 37.🫧 Which of these is an acid? (a) baking soda water (b) lemon juice (c) soap solution (d) plain water
38. 38.🧺 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) a seed
39. 39.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) sugar water (d) soap solution
40. 40.True or false: plain water is a base. (a) True (b) False

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