Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 483 · 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.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) a comb (d) sugar
2. 2.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) vinegar
3. 3.True or false: orange juice is an acid. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) curd (d) vinegar
5. 5.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
6. 6.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
7. 7.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
8. 8.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
9. 9.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
10. 10.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) detergent water (d) curd
11. 11.📘 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
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) a balloon (d) baking soda
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a seed (c) a balloon (d) vinegar
15. 15.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they freeze (d) they react
16. 16.🔍 Which is the odd one out? (a) curd (b) sugar water (c) lemon juice (d) orange juice
17. 17.⚖️ 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 keep it the same (c) we change it
18. 18.🫧 Which of these is neutral? (a) detergent water (b) sugar water (c) baking soda water (d) vinegar
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
20. 20.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
21. 21.True or false: plain water is neutral. (a) True (b) False
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
23. 23.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a funnel or spoon (d) vinegar
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) a mirror (d) a battery cell
26. 26.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
27. 27.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
28. 28.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
29. 29.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
30. 30.True or false: vinegar is neutral. (a) True (b) False
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) an empty bottle (d) vinegar
33. 33.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
34. 34.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) soap solution (d) tamarind water
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) baking soda (d) sugar
36. 36.⚖️ 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 amount of vinegar (c) spoons of baking soda
37. 37.⚖️ 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
38. 38.🔍 Which is the odd one out? (a) vinegar (b) curd (c) tamarind water (d) soap solution
39. 39.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
40. 40.⚖️ 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

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