Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 673 · 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.⚖️ 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
2. 2.⚖️ 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 change it (c) we measure it
3. 3.⚖️ 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
4. 4.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
5. 5.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
6. 6.🫧 Which of these is neutral? (a) soap solution (b) vinegar (c) plain water (d) orange juice
7. 7.⚖️ 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) the amount of vinegar
8. 8.True or false: vinegar is an acid. (a) False (b) True
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
11. 11.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
12. 12.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
13. 13.True or false: tamarind water is an acid. (a) True (b) False
14. 14.True or false: vinegar is a base. (a) False (b) True
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a seed (d) a battery cell
16. 16.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) a funnel or spoon
19. 19.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) detergent water (d) orange juice
20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
21. 21.True or false: detergent water is an acid. (a) False (b) True
22. 22.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) vinegar (d) lemon juice
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
24. 24.🔍 Which is the odd one out? (a) orange juice (b) curd (c) tamarind water (d) plain water
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a funnel or spoon (d) a magnet
26. 26.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
27. 27.🔍 Which is the odd one out? (a) orange juice (b) soap solution (c) detergent water (d) baking soda water
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) an empty bottle (d) a funnel or spoon
29. 29.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) sugar water (d) lemon juice
30. 30.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
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) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
32. 32.True or false: plain water is neutral. (a) False (b) True
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🫧 Which of these is an acid? (a) salt water (b) plain water (c) vinegar (d) detergent water
35. 35.🫧 Which of these is neutral? (a) vinegar (b) salt water (c) detergent water (d) baking soda water
36. 36.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) soap solution (d) curd
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
38. 38.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
39. 39.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a comb (d) an empty bottle

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