Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 388 · 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? True or false: the kind of balloon is what we measure. (a) False (b) True
2. 2.🫧 Which of these is neutral? (a) plain water (b) curd (c) detergent water (d) tamarind water
3. 3.⚖️ 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
4. 4.True or false: vinegar is an acid. (a) True (b) False
5. 5.⚖️ 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) spoons of baking soda (c) the amount of vinegar (d) the same bottle
6. 6.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
9. 9.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
10. 10.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) vinegar (c) baking soda (d) a funnel or spoon
12. 12.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) baking soda water (d) detergent water
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only melting (d) it is only dissolving
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) an empty bottle (d) vinegar
17. 17.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
18. 18.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) detergent water (d) lemon juice
19. 19.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it shrinks (d) it turns blue
21. 21.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) soap solution (d) plain water
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
23. 23.⚖️ 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 change it (c) we keep it the same
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a balloon (c) a seed (d) a magnet
25. 25.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
26. 26.True or false: sugar water is an acid. (a) True (b) False
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) the amount of vinegar (c) size of the balloon
28. 28.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) plain water (d) sugar water
29. 29.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
30. 30.⚖️ 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
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
32. 32.⚖️ 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 measure it (c) we change it
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) an empty bottle (d) baking soda
35. 35.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
36. 36.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
37. 37.True or false: soap solution is neutral. (a) True (b) False
38. 38.⚖️ 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 same bottle (c) spoons of baking soda (d) the kind of balloon
39. 39.⚖️ 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
40. 40.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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