Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 421 · 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 tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
3. 3.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
5. 5.🫧 Which of these is neutral? (a) curd (b) vinegar (c) baking soda water (d) plain water
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
7. 7.⚖️ 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
8. 8.🫧 Which of these is an acid? (a) plain water (b) curd (c) baking soda water (d) detergent water
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a balloon (d) a tray for spills
10. 10.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
12. 12.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
13. 13.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
14. 14.⚖️ 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 kind of balloon (c) size of the balloon (d) the same bottle
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) a mirror (d) sugar
16. 16.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
17. 17.🫧 Which of these is an acid? (a) orange juice (b) detergent water (c) salt water (d) soap solution
18. 18.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) baking soda water (d) vinegar
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a seed (d) a funnel or spoon
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) a tray for spills (d) a balloon
21. 21.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) sugar water
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a comb (d) a balloon
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a seed (d) a balloon
24. 24.⚖️ 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
25. 25.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
26. 26.⚖️ 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 change it (c) we keep it the same
27. 27.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
28. 28.⚖️ 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 keep it the same (c) we change it
29. 29.True or false: lemon juice is neutral. (a) True (b) False
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
31. 31.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
32. 32.True or false: vinegar is an acid. (a) True (b) False
33. 33.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) an empty bottle (d) baking soda
35. 35.⚖️ 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 same bottle (c) spoons of baking soda
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a funnel or spoon (d) a seed
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a magnet
38. 38.🫧 Which of these is neutral? (a) orange juice (b) vinegar (c) baking soda water (d) sugar water
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
40. 40.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed

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