Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 969 · 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 tray for spills (b) sugar (c) vinegar (d) a funnel or spoon
2. 2.🫧 Which of these is neutral? (a) curd (b) salt water (c) orange juice (d) tamarind water
3. 3.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
4. 4.🫧 Which of these is neutral? (a) vinegar (b) curd (c) soap solution (d) plain water
5. 5.⚖️ 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
6. 6.⚖️ 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 same bottle
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) vinegar (d) baking soda
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
9. 9.True or false: vinegar is neutral. (a) True (b) False
10. 10.⚖️ 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) size of the balloon
11. 11.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a magnet (d) baking soda
13. 13.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
14. 14.🫧 Which of these is a base? (a) tamarind water (b) orange juice (c) sugar water (d) detergent water
15. 15.True or false: lemon juice is a base. (a) False (b) True
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
17. 17.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
19. 19.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they become magnets (d) they freeze
20. 20.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) tamarind water (d) lemon juice
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) sugar (d) an empty bottle
24. 24.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
25. 25.⚖️ 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) False (b) True
26. 26.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a funnel or spoon (d) vinegar
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
29. 29.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
30. 30.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar (d) the kind of balloon
32. 32.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a seed (d) a comb
34. 34.🛟 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
35. 35.True or false: detergent water is an acid. (a) True (b) False
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a mirror (d) baking soda
37. 37.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) salt water (d) orange juice
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) a funnel or spoon (d) vinegar
39. 39.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) curd
40. 40.True or false: salt water is an acid. (a) True (b) False

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