Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 427 · 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.True or false: lemon juice is an acid. (a) False (b) True
2. 2.⚖️ 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 keep it the same (c) we change it
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a comb (d) vinegar
4. 4.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) detergent water (d) soap solution
5. 5.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
7. 7.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a funnel or spoon (c) vinegar (d) baking soda
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a comb (d) baking soda
10. 10.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
11. 11.⚖️ 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
12. 12.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
13. 13.⚖️ 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) True (b) False
14. 14.🫧 Which of these is a base? (a) tamarind water (b) plain water (c) salt water (d) baking soda water
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) baking soda (d) a comb
16. 16.🧺 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) an empty bottle
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) baking soda (c) vinegar (d) an empty bottle
19. 19.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a magnet (d) a tray for spills
21. 21.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
22. 22.True or false: soap solution is a base. (a) False (b) True
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) baking soda (d) a funnel or spoon
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) vinegar (d) a seed
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.⚖️ 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 keep it the same (c) we change it
28. 28.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
29. 29.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) sugar
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a balloon (d) a mirror
32. 32.🫧 Which of these is neutral? (a) orange juice (b) vinegar (c) detergent water (d) sugar water
33. 33.🫧 Which of these is an acid? (a) curd (b) baking soda water (c) salt water (d) soap solution
34. 34.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) orange juice (d) soap solution
35. 35.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
36. 36.🔮 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
37. 37.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
38. 38.True or false: tamarind water is a base. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) curd (b) sugar water (c) orange juice (d) lemon juice
40. 40.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms

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