Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 744 · 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? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) vinegar (d) soap solution
3. 3.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
4. 4.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
5. 5.⚖️ 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 change it (c) we keep it the same
6. 6.True or false: curd is neutral. (a) True (b) False
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing
9. 9.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a mirror (c) an empty bottle (d) vinegar
11. 11.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) sugar (d) a mirror
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) vinegar (d) an empty bottle
14. 14.True or false: soap solution is neutral. (a) False (b) True
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) baking soda (d) a comb
16. 16.⚖️ 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 keep it the same (c) we measure it
17. 17.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) sugar water (d) salt water
18. 18.🔮 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
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) vinegar (d) a tray for spills
20. 20.🫧 Which of these is neutral? (a) sugar water (b) soap solution (c) curd (d) tamarind water
21. 21.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
22. 22.🫧 Which of these is a base? (a) salt water (b) soap solution (c) tamarind water (d) orange juice
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
24. 24.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) size of the balloon
26. 26.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
27. 27.⚖️ 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 change it (c) we keep it the same
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) baking soda (d) an empty bottle
29. 29.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
30. 30.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
31. 31.⚖️ 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) the same bottle (d) size of the balloon
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) a magnet (d) sugar
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a mirror (d) sugar
36. 36.🔍 Which is the odd one out? (a) baking soda water (b) orange juice (c) lemon juice (d) tamarind water
37. 37.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
38. 38.🫧 Which of these is neutral? (a) lemon juice (b) detergent water (c) tamarind water (d) salt water
39. 39.⚖️ 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
40. 40.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base

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