Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 531 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a seed (d) a funnel or spoon
2. 2.⚖️ 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 same bottle
3. 3.⚖️ 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 measure it (c) we keep it the same
4. 4.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
5. 5.True or false: salt water is an acid. (a) False (b) True
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a battery cell (d) vinegar
7. 7.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
8. 8.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) plain water (d) salt water
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
10. 10.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
11. 11.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) salt water (d) plain water
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a magnet (d) vinegar
13. 13.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
14. 14.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) baking soda water (d) detergent water
15. 15.⚖️ 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
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
17. 17.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) soap solution (d) tamarind water
18. 18.True or false: curd is a base. (a) False (b) True
19. 19.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
20. 20.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a comb
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a magnet (d) baking soda
25. 25.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) vinegar (d) sugar
27. 27.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
28. 28.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) vinegar (d) an empty bottle
30. 30.True or false: tamarind water is neutral. (a) False (b) True
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a magnet (d) a comb
32. 32.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
33. 33.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
34. 34.⚖️ 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
35. 35.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a seed (d) vinegar
37. 37.⚖️ 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
38. 38.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
39. 39.True or false: baking soda water is a base. (a) True (b) False
40. 40.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False

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