Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 365 · 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: vinegar is not needed for the fizzy balloon. (a) False (b) True
2. 2.⚖️ 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
3. 3.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
4. 4.⚖️ 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
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a mirror (d) a funnel or spoon
6. 6.⚖️ 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
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a comb (d) an empty bottle
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) vinegar (d) sugar
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a magnet (d) baking soda
12. 12.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
13. 13.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
14. 14.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) salt water (d) vinegar
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a mirror (d) baking soda
16. 16.True or false: tamarind water is a base. (a) True (b) False
17. 17.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a battery cell (d) baking soda
19. 19.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) lemon juice
20. 20.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
21. 21.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
22. 22.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) curd (d) soap solution
23. 23.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) sugar water (d) curd
24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a tray for spills (d) vinegar
26. 26.🛟 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
27. 27.True or false: vinegar is a base. (a) False (b) True
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a comb (d) a seed
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
30. 30.⚖️ 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 keep it the same (c) we change it
31. 31.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) lemon juice (d) vinegar
32. 32.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a balloon (d) sugar
34. 34.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) salt water (d) plain water
35. 35.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
36. 36.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
37. 37.🔍 Which is the odd one out? (a) orange juice (b) soap solution (c) baking soda water (d) detergent water
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) an empty bottle (d) baking soda
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) vinegar (d) tamarind water

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids