Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 382 · 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? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
2. 2.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.True or false: tamarind water is neutral. (a) False (b) True
4. 4.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
5. 5.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) vinegar (d) plain water
6. 6.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) curd
7. 7.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
8. 8.⚖️ 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 kind of balloon (c) spoons of baking soda
9. 9.True or false: lemon juice is an acid. (a) True (b) False
10. 10.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
11. 11.True or false: curd is an acid. (a) True (b) False
12. 12.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
13. 13.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
14. 14.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a mirror (d) vinegar
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
17. 17.⚖️ 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
18. 18.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.🛟 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
21. 21.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
22. 22.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) vinegar (d) a mirror
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) a magnet
25. 25.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) baking soda water (d) soap solution
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
27. 27.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) plain water (d) lemon juice
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a battery cell (d) baking soda
29. 29.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) baking soda (d) an empty bottle
31. 31.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) plain water (d) orange juice
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a battery cell (d) a balloon
33. 33.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a comb (d) a tray for spills
35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
36. 36.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
37. 37.🔮 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
38. 38.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) vinegar (d) curd
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a magnet (d) a balloon
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False

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