Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 509 · 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.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
2. 2.True or false: orange juice is neutral. (a) True (b) False
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
4. 4.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
5. 5.⚖️ 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
6. 6.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) baking soda water (d) soap solution
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a comb
8. 8.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
9. 9.🫧 Which of these is a base? (a) salt water (b) soap solution (c) tamarind water (d) sugar water
10. 10.🫧 Which of these is neutral? (a) salt water (b) orange juice (c) baking soda water (d) tamarind water
11. 11.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only dissolving (d) it is only melting
12. 12.🧺 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) vinegar
13. 13.🔍 Which is the odd one out? (a) curd (b) salt water (c) lemon juice (d) vinegar
14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
15. 15.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
16. 16.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
17. 17.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
18. 18.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) vinegar (d) a tray for spills
20. 20.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) plain water (d) curd
21. 21.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) vinegar (d) a tray for spills
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) a balloon (d) a tray for spills
24. 24.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
25. 25.⚖️ 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 measure it (c) we keep it the same
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) baking soda (d) a seed
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) a seed (d) an empty bottle
28. 28.🔍 Which is the odd one out? (a) curd (b) vinegar (c) baking soda water (d) lemon juice
29. 29.⚖️ 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
30. 30.🫧 Which of these is an acid? (a) tamarind water (b) soap solution (c) sugar water (d) baking soda water
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a comb (d) a balloon
32. 32.🫧 Which of these is a base? (a) salt water (b) baking soda water (c) tamarind water (d) lemon juice
33. 33.⚖️ 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 same bottle (c) size of the balloon
34. 34.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
38. 38.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
39. 39.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
40. 40.🫧 Which of these is neutral? (a) tamarind water (b) vinegar (c) plain water (d) orange juice

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