Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 393 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
2. 2.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
3. 3.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
4. 4.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
5. 5.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) curd (d) plain water
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a seed (d) a balloon
7. 7.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) detergent water (d) soap solution
8. 8.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) tamarind water (d) baking soda water
9. 9.🛟 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
10. 10.⚖️ 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
11. 11.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
12. 12.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
13. 13.🔮 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
14. 14.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the same bottle
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a tray for spills (c) baking soda (d) a balloon
17. 17.🫧 Which of these is neutral? (a) plain water (b) lemon juice (c) vinegar (d) orange juice
18. 18.🫧 Which of these is a base? (a) orange juice (b) salt water (c) baking soda water (d) lemon juice
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
21. 21.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) soap solution (d) vinegar
22. 22.🔍 Which is the odd one out? (a) vinegar (b) plain water (c) sugar water (d) salt water
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
24. 24.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) a funnel or spoon (d) a balloon
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) vinegar (d) sugar
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) the same bottle
28. 28.🛟 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
29. 29.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) sugar (d) a tray for spills
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
32. 32.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
34. 34.🫧 Which of these is a base? (a) salt water (b) sugar water (c) tamarind water (d) detergent water
35. 35.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
36. 36.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
37. 37.🧺 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) a magnet (d) vinegar
38. 38.🫧 Which of these is neutral? (a) salt water (b) curd (c) vinegar (d) detergent water
39. 39.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same

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