Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 101 · 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.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
2. 2.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
3. 3.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
4. 4.⚖️ 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
5. 5.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
7. 7.🫧 Which of these is a base? (a) curd (b) vinegar (c) tamarind water (d) soap solution
8. 8.True or false: orange juice is an acid. (a) True (b) False
9. 9.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) plain water (d) sugar water
11. 11.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
12. 12.⚖️ 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
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) the kind of balloon (d) spoons of baking soda
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
16. 16.⚖️ 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
17. 17.🔍 Which is the odd one out? (a) detergent water (b) curd (c) soap solution (d) baking soda water
18. 18.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
19. 19.⚖️ 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
20. 20.🫧 Which of these is an acid? (a) salt water (b) curd (c) soap solution (d) baking soda water
21. 21.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
22. 22.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) a tray for spills (d) baking soda
24. 24.🫧 Which of these is neutral? (a) baking soda water (b) detergent water (c) vinegar (d) plain water
25. 25.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
26. 26.⚖️ 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
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a mirror (d) a magnet
28. 28.⚖️ 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
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a magnet (d) a balloon
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a comb (d) an empty bottle
31. 31.🫧 Which of these is neutral? (a) orange juice (b) sugar water (c) curd (d) soap solution
32. 32.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
33. 33.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) a magnet (d) sugar
35. 35.⚖️ 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
36. 36.🫧 Which of these is neutral? (a) lemon juice (b) vinegar (c) salt water (d) curd
37. 37.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) baking soda (d) a magnet
39. 39.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
40. 40.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption

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