Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 886 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) a mirror
5. 5.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
6. 6.True or false: orange juice is a base. (a) False (b) True
7. 7.🫧 Which of these is a base? (a) tamarind water (b) soap solution (c) sugar water (d) vinegar
8. 8.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
9. 9.⚖️ 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 change it (c) we keep it the same
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
12. 12.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
15. 15.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
17. 17.⚖️ 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
18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
19. 19.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a funnel or spoon (d) a tray for spills
21. 21.🫧 Which of these is a base? (a) sugar water (b) plain water (c) detergent water (d) lemon juice
22. 22.🔍 Which is the odd one out? (a) detergent water (b) vinegar (c) baking soda water (d) soap solution
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a magnet (d) a funnel or spoon
25. 25.🔮 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
26. 26.True or false: soap solution is neutral. (a) False (b) True
27. 27.⚖️ 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
28. 28.⚖️ 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
29. 29.🔍 Which is the odd one out? (a) sugar water (b) orange juice (c) plain water (d) salt water
30. 30.True or false: tamarind water is an acid. (a) False (b) True
31. 31.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
32. 32.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
34. 34.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) vinegar (d) baking soda
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a magnet (d) a mirror
37. 37.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) sugar water
38. 38.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
40. 40.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False

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