Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 982 · 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.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
2. 2.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) vinegar (d) soap solution
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) an empty bottle (d) vinegar
4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
5. 5.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
6. 6.🔮 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
7. 7.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) lemon juice (d) soap solution
8. 8.True or false: baking soda water is neutral. (a) False (b) True
9. 9.⚖️ 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 same bottle (c) the amount of vinegar (d) the kind of balloon
10. 10.True or false: salt water is neutral. (a) True (b) False
11. 11.⚖️ 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 keep it the same (c) we measure it
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
13. 13.⚖️ 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 same bottle (c) the kind of balloon (d) the amount of vinegar
14. 14.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) salt water (d) lemon juice
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
17. 17.True or false: vinegar is a base. (a) True (b) False
18. 18.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
19. 19.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
21. 21.🫧 Which of these is neutral? (a) plain water (b) lemon juice (c) orange juice (d) detergent water
22. 22.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) soap solution (d) curd
23. 23.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a seed (d) baking soda
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a comb (c) a funnel or spoon (d) baking soda
26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
28. 28.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) lemon juice (d) plain water
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a magnet (d) a funnel or spoon
30. 30.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) baking soda (d) sugar
32. 32.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) vinegar (d) detergent water
33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
34. 34.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a battery cell (d) baking soda
36. 36.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
37. 37.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
38. 38.⚖️ 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
39. 39.🫧 Which of these is a base? (a) tamarind water (b) curd (c) lemon juice (d) soap solution
40. 40.🫧 Which of these is neutral? (a) lemon juice (b) sugar water (c) soap solution (d) orange juice

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