Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 563 · 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? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) the same bottle (d) spoons of baking soda
2. 2.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
4. 4.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) no, nothing changes (d) yes, a new gas forms
5. 5.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
6. 6.🫧 Which of these is neutral? (a) plain water (b) curd (c) tamarind water (d) vinegar
7. 7.⚖️ 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
8. 8.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a seed (d) a magnet
10. 10.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a comb (d) a funnel or spoon
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a seed (d) baking soda
14. 14.True or false: curd is neutral. (a) True (b) False
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a seed (c) a comb (d) a mirror
16. 16.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
18. 18.⚖️ 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 measure it (c) we keep it the same
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a balloon (d) a seed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the kind of balloon
21. 21.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) baking soda water
22. 22.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) soap solution (d) lemon juice
23. 23.🛟 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
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
26. 26.🔮 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
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a tray for spills (d) vinegar
28. 28.True or false: orange juice is an acid. (a) True (b) False
29. 29.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
30. 30.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
32. 32.True or false: sugar water is a base. (a) False (b) True
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) baking soda (d) a balloon
34. 34.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
35. 35.True or false: detergent water is neutral. (a) False (b) True
36. 36.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
37. 37.True or false: lemon juice is an acid. (a) True (b) False
38. 38.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) vinegar (d) plain water
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
40. 40.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base

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