Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 423 · 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 tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
2. 2.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
3. 3.True or false: salt water is a base. (a) False (b) True
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) the amount of vinegar
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a comb (d) a tray for spills
8. 8.⚖️ 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 kind of balloon (c) size of the balloon (d) the amount of vinegar
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a seed (d) a comb
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
11. 11.True or false: baking soda water is neutral. (a) False (b) True
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a comb (d) sugar
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a seed (d) vinegar
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a balloon (d) a magnet
15. 15.🫧 Which of these is an acid? (a) salt water (b) plain water (c) curd (d) baking soda water
16. 16.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) salt water
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a funnel or spoon (d) a comb
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
21. 21.⚖️ 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 amount of vinegar (c) size of the balloon
22. 22.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
23. 23.🫧 Which of these is neutral? (a) vinegar (b) lemon juice (c) sugar water (d) baking soda water
24. 24.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
25. 25.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
26. 26.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
28. 28.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
29. 29.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
30. 30.True or false: lemon juice is neutral. (a) True (b) False
31. 31.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
32. 32.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
33. 33.⚖️ 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
34. 34.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
35. 35.⚖️ 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
36. 36.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) plain water
37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
38. 38.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
39. 39.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) a tray for spills (d) a balloon

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