Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 191 · 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.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
2. 2.⚖️ 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 same bottle (d) spoons of baking soda
3. 3.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
4. 4.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) baking soda (d) a balloon
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
7. 7.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) salt water (d) plain water
8. 8.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
10. 10.⚖️ 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
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) a funnel or spoon (d) baking soda
12. 12.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
13. 13.📘 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 dissolving (d) it is only melting
14. 14.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
15. 15.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) vinegar (d) a mirror
17. 17.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
18. 18.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) vinegar (d) curd
19. 19.⚖️ 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 measure it (c) we keep it the same
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) baking soda (d) a mirror
21. 21.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
22. 22.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
24. 24.🫧 Which of these is a base? (a) tamarind water (b) detergent water (c) lemon juice (d) vinegar
25. 25.🔍 Which is the odd one out? (a) curd (b) sugar water (c) lemon juice (d) vinegar
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) a balloon (d) baking soda
27. 27.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
28. 28.🔍 Which is the odd one out? (a) plain water (b) detergent water (c) soap solution (d) baking soda water
29. 29.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a seed (d) vinegar
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.🛟 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
34. 34.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a magnet (d) a seed
36. 36.⚖️ 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
37. 37.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
38. 38.🫧 Which of these is a base? (a) orange juice (b) salt water (c) curd (d) soap solution
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) an empty bottle (d) sugar

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