Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 210 · 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.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
2. 2.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
4. 4.🫧 Which of these is a base? (a) sugar water (b) tamarind water (c) soap solution (d) curd
5. 5.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
6. 6.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
7. 7.⚖️ 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
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) vinegar (d) a seed
10. 10.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a balloon (d) a battery cell
13. 13.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
14. 14.⚖️ 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 change it (c) we measure it
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a tray for spills (d) sugar
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a magnet (d) vinegar
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) spoons of baking soda (c) the amount of vinegar
18. 18.🫧 Which of these is a base? (a) baking soda water (b) lemon juice (c) tamarind water (d) salt water
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a mirror (d) an empty bottle
20. 20.🔍 Which is the odd one out? (a) vinegar (b) curd (c) orange juice (d) detergent water
21. 21.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a comb (d) an empty bottle
23. 23.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
24. 24.🔮 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
25. 25.True or false: tamarind water is a base. (a) True (b) False
26. 26.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
27. 27.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
28. 28.🫧 Which of these is neutral? (a) detergent water (b) tamarind water (c) curd (d) salt water
29. 29.True or false: curd is an acid. (a) False (b) True
30. 30.🫧 Which of these is a base? (a) detergent water (b) tamarind water (c) lemon juice (d) orange juice
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) baking soda (c) a tray for spills (d) a funnel or spoon
32. 32.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
33. 33.⚖️ 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 keep it the same (c) we change it
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
35. 35.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a tray for spills (d) a seed
37. 37.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
38. 38.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
39. 39.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it

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