Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 975 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
4. 4.⚖️ 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
5. 5.🫧 Which of these is an acid? (a) orange juice (b) sugar water (c) detergent water (d) baking soda water
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) baking soda (d) a funnel or spoon
7. 7.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) detergent water (d) baking soda water
9. 9.True or false: baking soda water is an acid. (a) False (b) True
10. 10.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) baking soda (d) a mirror
12. 12.🔍 Which is the odd one out? (a) salt water (b) plain water (c) baking soda water (d) sugar water
13. 13.🔮 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
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
16. 16.⚖️ 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
17. 17.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) plain water (d) detergent water
19. 19.🔍 Which is the odd one out? (a) curd (b) vinegar (c) detergent water (d) lemon juice
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
24. 24.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
25. 25.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
26. 26.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
27. 27.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
28. 28.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a seed (c) baking soda (d) a funnel or spoon
30. 30.🧺 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) an empty bottle
31. 31.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
32. 32.⚖️ 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 same bottle (c) spoons of baking soda
33. 33.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) tamarind water (d) salt water
34. 34.True or false: tamarind water is an acid. (a) False (b) True
35. 35.⚖️ 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
36. 36.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a funnel or spoon (d) a balloon
38. 38.🔍 Which is the odd one out? (a) soap solution (b) curd (c) baking soda water (d) detergent water
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a mirror (d) a comb
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a funnel or spoon (d) an empty bottle

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