Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 869 · 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? Which of these is the one thing we change? (a) the kind of balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
2. 2.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
3. 3.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
4. 4.True or false: vinegar is a base. (a) False (b) True
5. 5.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a seed (d) a funnel or spoon
7. 7.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) a funnel or spoon (d) an empty bottle
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) sugar (d) a comb
10. 10.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a battery cell (d) a balloon
13. 13.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
14. 14.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
15. 15.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) salt water (d) tamarind water
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
17. 17.True or false: lemon juice is a base. (a) True (b) False
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
19. 19.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
20. 20.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
21. 21.⚖️ 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
22. 22.True or false: tamarind water is an acid. (a) True (b) False
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
24. 24.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
25. 25.⚖️ 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
26. 26.⚖️ 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
27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) curd (d) lemon juice
31. 31.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a balloon (d) a seed
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) vinegar (d) a balloon
34. 34.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) vinegar (c) baking soda (d) a balloon
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a magnet (d) an empty bottle
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a tray for spills (d) a mirror
38. 38.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
39. 39.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
40. 40.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False

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