Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 414 · 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 neutral? (a) lemon juice (b) tamarind water (c) soap solution (d) plain water
2. 2.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
3. 3.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) detergent water (d) curd
4. 4.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
5. 5.⚖️ 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 amount of vinegar
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
8. 8.🫧 Which of these is an acid? (a) soap solution (b) curd (c) salt water (d) baking soda water
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) baking soda (d) a tray for spills
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) an empty bottle (d) a seed
11. 11.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) soap solution (d) baking soda water
12. 12.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
13. 13.⚖️ 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 keep it the same (c) we change it
14. 14.⚖️ 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
15. 15.True or false: baking soda water is neutral. (a) False (b) True
16. 16.⚖️ 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
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
18. 18.True or false: sugar water is neutral. (a) False (b) True
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) an empty bottle (d) baking soda
20. 20.True or false: vinegar is a base. (a) True (b) False
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
22. 22.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
23. 23.⚖️ 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 kind of balloon (c) size of the balloon (d) the same bottle
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a mirror (d) baking soda
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) a magnet
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
27. 27.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) baking soda (d) a tray for spills
30. 30.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) salt water (d) tamarind water
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 keep it the same (c) we change it
32. 32.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
33. 33.🫧 Which of these is a base? (a) lemon juice (b) orange juice (c) plain water (d) detergent water
34. 34.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a balloon (d) a comb
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
37. 37.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
40. 40.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) vinegar is hot (d) the bottle shrinks

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