Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 514 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a mirror (d) vinegar
2. 2.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
3. 3.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) an empty bottle (d) a battery cell
5. 5.🫧 Which of these is an acid? (a) vinegar (b) baking soda water (c) soap solution (d) sugar water
6. 6.🫧 Which of these is a base? (a) salt water (b) baking soda water (c) vinegar (d) sugar water
7. 7.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) sugar (d) a tray for spills
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) baking soda (d) a tray for spills
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) an empty bottle (d) a seed
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
12. 12.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
13. 13.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) size of the balloon (d) spoons of baking soda
15. 15.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
16. 16.True or false: detergent water is an acid. (a) True (b) False
17. 17.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
19. 19.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a mirror (c) vinegar (d) an empty bottle
21. 21.🔍 Which is the odd one out? (a) soap solution (b) vinegar (c) baking soda water (d) detergent water
22. 22.⚖️ 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
23. 23.⚖️ 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
24. 24.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) vinegar (d) a magnet
26. 26.True or false: tamarind water is an acid. (a) True (b) False
27. 27.🛟 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
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) baking soda (d) a magnet
29. 29.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
30. 30.True or false: lemon juice is a base. (a) False (b) True
31. 31.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
32. 32.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
33. 33.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
34. 34.⚖️ 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
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
36. 36.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
37. 37.⚖️ 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
38. 38.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) curd (d) plain water
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) vinegar (d) baking soda
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) baking soda (d) a comb

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