Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 857 · 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.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving
2. 2.🫧 Which of these is neutral? (a) curd (b) orange juice (c) tamarind water (d) sugar water
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) size of the balloon (d) the kind of balloon
4. 4.🫧 Is vinegar 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 kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
7. 7.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
8. 8.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
10. 10.True or false: detergent water is neutral. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) detergent water (d) tamarind water
12. 12.True or false: salt water is neutral. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) soap solution (d) baking soda water
14. 14.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
15. 15.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) soap solution
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a balloon (d) a seed
17. 17.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
19. 19.🫧 Which of these is an acid? (a) orange juice (b) sugar water (c) baking soda water (d) soap solution
20. 20.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a balloon (d) a battery cell
23. 23.⚖️ 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 change it (c) we measure it
24. 24.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) sugar (c) a seed (d) a comb
26. 26.🫧 Which of these is a base? (a) tamarind water (b) detergent water (c) plain water (d) vinegar
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a battery cell (d) a balloon
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a seed (d) a mirror
29. 29.True or false: tamarind water is an acid. (a) True (b) False
30. 30.⚖️ 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
31. 31.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
32. 32.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a funnel or spoon (d) a mirror
34. 34.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) an empty bottle (d) vinegar
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
38. 38.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
39. 39.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) baking soda (d) a tray for spills

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