Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 51 · 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 kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
2. 2.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
3. 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
4. 4.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
5. 5.⚖️ 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
6. 6.⚖️ 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
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a seed
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the same bottle (d) spoons of baking soda
9. 9.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a comb
11. 11.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) an empty bottle (d) a balloon
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
14. 14.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
16. 16.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
17. 17.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a seed
22. 22.🔍 Which is the odd one out? (a) curd (b) sugar water (c) plain water (d) salt water
23. 23.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
24. 24.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a mirror (d) an empty bottle
27. 27.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a seed (d) a comb
29. 29.🫧 Which of these is an acid? (a) orange juice (b) sugar water (c) salt water (d) detergent water
30. 30.⚖️ 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) spoons of baking soda (d) the kind of balloon
31. 31.🔍 Which is the odd one out? (a) sugar water (b) orange juice (c) tamarind water (d) lemon juice
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) sugar (d) an empty bottle
35. 35.🫧 Which of these is an acid? (a) salt water (b) lemon juice (c) soap solution (d) sugar water
36. 36.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a battery cell (d) an empty bottle
38. 38.⚖️ 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
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) spoons of baking soda (c) the same bottle
40. 40.True or false: curd is a base. (a) True (b) False

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