Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 823 · 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 needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) sugar (d) a comb
2. 2.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a comb
4. 4.⚖️ 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) False (b) True
5. 5.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) spoons of baking soda (d) size of the balloon
7. 7.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) lemon juice (d) tamarind water
8. 8.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
10. 10.🔍 Which is the odd one out? (a) curd (b) plain water (c) lemon juice (d) orange juice
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
12. 12.🧺 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 magnet
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
14. 14.⚖️ 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
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a seed (c) baking soda (d) a tray for spills
17. 17.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) soap solution (d) detergent water
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) a tray for spills (d) baking soda
19. 19.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
21. 21.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a balloon (c) a seed (d) a magnet
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a battery cell (d) a tray for spills
24. 24.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
25. 25.True or false: vinegar is an acid. (a) False (b) True
26. 26.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) plain water (d) orange juice
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) an empty bottle (d) sugar
28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
29. 29.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a tray for spills (d) a comb
32. 32.🫧 Which of these is a base? (a) sugar water (b) curd (c) soap solution (d) tamarind water
33. 33.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
34. 34.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
35. 35.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) baking soda (c) a funnel or spoon (d) vinegar
37. 37.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
38. 38.⚖️ 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
39. 39.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
40. 40.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed

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