Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 967 · 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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
2. 2.⚖️ 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
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the amount of vinegar (c) the kind of balloon (d) spoons of baking soda
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
6. 6.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ 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 keep it the same (c) we change it
8. 8.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
9. 9.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
10. 10.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
11. 11.True or false: plain water is neutral. (a) False (b) True
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) a battery cell
13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
14. 14.🫧 Which of these is neutral? (a) orange juice (b) salt water (c) vinegar (d) lemon juice
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) no, nothing changes (d) it is only melting
16. 16.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) salt water (d) plain water
17. 17.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
19. 19.🧺 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 mirror (d) a funnel or spoon
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a comb (d) a tray for spills
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a comb
22. 22.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
23. 23.🔍 Which is the odd one out? (a) sugar water (b) tamarind water (c) curd (d) lemon juice
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) baking soda (d) a battery cell
25. 25.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
26. 26.🫧 Which of these is an acid? (a) vinegar (b) salt water (c) soap solution (d) detergent water
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
28. 28.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
29. 29.⚖️ 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 keep it the same (c) we change it
30. 30.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
32. 32.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
33. 33.🫧 Which of these is an acid? (a) soap solution (b) lemon juice (c) baking soda water (d) salt water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a battery cell (d) a balloon
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a mirror (d) vinegar
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a funnel or spoon (d) a seed
38. 38.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
40. 40.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed

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