Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 747 · 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) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
3. 3.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
5. 5.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
6. 6.⚖️ 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 change it (c) we keep it the same
7. 7.⚖️ 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
8. 8.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
10. 10.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only dissolving (d) it is only melting
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the amount of vinegar (d) the same bottle
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) plain water (d) curd
14. 14.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a battery cell
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a battery cell (d) a seed
17. 17.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
18. 18.⚖️ 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
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) sugar (d) an empty bottle
20. 20.📘 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
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a mirror (d) baking soda
22. 22.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) baking soda (d) a tray for spills
24. 24.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) curd (d) soap solution
25. 25.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
28. 28.🫧 Which of these is neutral? (a) tamarind water (b) salt water (c) detergent water (d) lemon juice
29. 29.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) sugar water
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a comb (d) vinegar
31. 31.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
32. 32.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) shake it near your face (d) put it in your mouth
33. 33.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) salt water (d) plain water
34. 34.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
35. 35.True or false: tamarind water is a base. (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 tray for spills (c) sugar (d) an empty bottle
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a comb (d) a seed
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
39. 39.🫧 Which of these is a base? (a) curd (b) plain water (c) lemon juice (d) detergent water
40. 40.True or false: a seed is needed for the fizzy balloon. (a) False (b) True

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