Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 883 · 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: the kind of balloon is kept the same. (a) False (b) True
2. 2.🛟 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
3. 3.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
4. 4.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
5. 5.⚖️ 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 amount of vinegar (d) the kind of balloon
6. 6.🫧 Which of these is a base? (a) curd (b) baking soda water (c) tamarind water (d) plain water
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a magnet (d) a funnel or spoon
9. 9.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
10. 10.True or false: vinegar is a base. (a) True (b) False
11. 11.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
12. 12.🔍 Which is the odd one out? (a) curd (b) vinegar (c) baking soda water (d) lemon juice
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) sugar (d) an empty bottle
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) vinegar (d) baking soda
15. 15.True or false: plain water is neutral. (a) True (b) False
16. 16.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) curd (b) plain water (c) lemon juice (d) tamarind water
18. 18.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) orange juice (d) detergent water
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a balloon (d) a comb
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) a tray for spills (d) vinegar
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a battery cell (d) a tray for spills
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
24. 24.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
26. 26.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) orange juice
27. 27.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
28. 28.🔮 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
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
30. 30.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
32. 32.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
36. 36.True or false: soap solution is an acid. (a) True (b) False
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
38. 38.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
39. 39.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the same bottle (c) the amount of vinegar (d) size of the balloon

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