Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 247 · 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 funnel or spoon (b) a magnet (c) a tray for spills (d) an empty bottle
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
3. 3.⚖️ 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
4. 4.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) tamarind water (d) salt water
5. 5.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
6. 6.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
7. 7.⚖️ 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
8. 8.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.⚖️ 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) the same bottle (d) size of the balloon
10. 10.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) plain water (d) salt water
11. 11.🔍 Which is the odd one out? (a) curd (b) orange juice (c) tamarind water (d) salt water
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the same bottle
13. 13.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a mirror (d) a comb
15. 15.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) soap solution (d) detergent water
16. 16.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
18. 18.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) vinegar (d) soap solution
19. 19.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a balloon (c) vinegar (d) an empty bottle
21. 21.🫧 Which of these is neutral? (a) soap solution (b) tamarind water (c) lemon juice (d) plain water
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) an empty bottle (d) a funnel or spoon
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) an empty bottle (d) a tray for spills
25. 25.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
26. 26.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) vinegar (d) baking soda water
27. 27.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) vinegar (d) baking soda water
28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
29. 29.⚖️ 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 measure it (c) we change it
30. 30.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
32. 32.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a magnet (d) a balloon
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a balloon (d) a magnet
35. 35.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a tray for spills (d) a comb
38. 38.True or false: plain water is neutral. (a) False (b) True
39. 39.True or false: curd is a base. (a) True (b) False
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a magnet (d) a tray for spills

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