Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 375 · 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 tray for spills (b) vinegar (c) a magnet (d) baking soda
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
3. 3.True or false: salt water is neutral. (a) True (b) False
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
5. 5.🫧 Which of these is an acid? (a) detergent water (b) vinegar (c) soap solution (d) plain water
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) a seed (d) a battery cell
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.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a comb (d) a magnet
10. 10.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
11. 11.True or false: sugar water is neutral. (a) False (b) True
12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
13. 13.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) curd (d) plain water
14. 14.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
16. 16.True or false: plain water is neutral. (a) False (b) True
17. 17.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
18. 18.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
19. 19.True or false: lemon juice is neutral. (a) False (b) True
20. 20.⚖️ 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
21. 21.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) plain water
22. 22.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
23. 23.⚖️ 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
24. 24.🛟 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
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a battery cell (c) a tray for spills (d) a funnel or spoon
26. 26.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
27. 27.⚖️ 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 amount of vinegar
28. 28.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) curd (d) sugar water
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a comb (d) a balloon
30. 30.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) vinegar (d) a battery cell
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) vinegar (d) sugar
34. 34.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
36. 36.📘 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
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a balloon (d) vinegar
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) detergent water
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a mirror (d) a seed

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