Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 507 · 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.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) sugar (c) vinegar (d) a tray for spills
2. 2.⚖️ 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 keep it the same (c) we measure it
3. 3.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) vinegar (d) a funnel or spoon
5. 5.⚖️ 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
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
9. 9.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
10. 10.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
13. 13.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
14. 14.⚖️ 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 kind of balloon
15. 15.🫧 Which of these is a base? (a) curd (b) soap solution (c) plain water (d) sugar water
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a mirror (d) a comb
17. 17.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) sugar water (d) detergent water
18. 18.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) soap solution (d) salt water
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the kind of balloon
20. 20.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) plain water (d) orange juice
21. 21.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a funnel or spoon (d) a magnet
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a comb (d) a balloon
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
25. 25.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) orange juice (b) salt water (c) sugar water (d) plain water
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
28. 28.⚖️ 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
29. 29.🔍 Which is the odd one out? (a) curd (b) salt water (c) vinegar (d) tamarind water
30. 30.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
31. 31.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) baking soda water
32. 32.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
33. 33.⚖️ 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
34. 34.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) carbon dioxide (d) oxygen
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a seed (d) baking soda
36. 36.True or false: curd is a base. (a) True (b) False
37. 37.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
38. 38.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
39. 39.⚖️ 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 amount of vinegar (c) size of the balloon (d) the kind of balloon
40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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