Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 617 · 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) a battery cell (b) an empty bottle (c) baking soda (d) a tray for spills
2. 2.⚖️ 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 amount of vinegar (c) the same bottle (d) spoons of baking soda
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
4. 4.⚖️ 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
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) a tray for spills (d) an empty bottle
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) vinegar (d) a battery cell
7. 7.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) plain water (d) soap solution
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
9. 9.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
11. 11.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
14. 14.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
15. 15.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
16. 16.True or false: lemon juice is a base. (a) True (b) False
17. 17.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
18. 18.🫧 Which of these is an acid? (a) sugar water (b) detergent water (c) soap solution (d) lemon juice
19. 19.⚖️ 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 same bottle (c) spoons of baking soda
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a balloon (d) vinegar
21. 21.⚖️ 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
22. 22.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) salt water (d) tamarind water
23. 23.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
24. 24.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) lemon juice (d) sugar water
27. 27.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
28. 28.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) curd
29. 29.True or false: vinegar is an acid. (a) True (b) False
30. 30.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) tamarind water (d) sugar water
31. 31.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) vinegar (d) salt water
33. 33.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
34. 34.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
36. 36.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
37. 37.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
39. 39.🫧 Which of these is neutral? (a) baking soda water (b) tamarind water (c) salt water (d) lemon juice
40. 40.⚖️ 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

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