Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 206 · 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.🛟 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
2. 2.🔍 Which is the odd one out? (a) plain water (b) soap solution (c) sugar water (d) salt water
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.🫧 Which of these is neutral? (a) curd (b) sugar water (c) orange juice (d) lemon juice
5. 5.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
6. 6.True or false: curd is a base. (a) True (b) False
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) baking soda (d) vinegar
9. 9.🔮 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
10. 10.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
11. 11.🫧 Which of these is neutral? (a) detergent water (b) vinegar (c) salt water (d) tamarind water
12. 12.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
13. 13.True or false: sugar water is a base. (a) True (b) False
14. 14.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) outside air gets in (d) the bottle shrinks
15. 15.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
16. 16.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
17. 17.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
18. 18.🛟 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
19. 19.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
21. 21.⚖️ 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
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a magnet (d) a seed
23. 23.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a comb (d) vinegar
25. 25.⚖️ 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
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they become magnets (d) they freeze
28. 28.True or false: soap solution is neutral. (a) False (b) True
29. 29.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the kind of balloon (c) the same bottle (d) spoons of baking soda
31. 31.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) baking soda (c) an empty bottle (d) a tray for spills
33. 33.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
34. 34.⚖️ 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
35. 35.⚖️ 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
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) baking soda (d) a seed
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a seed (d) a battery cell
39. 39.True or false: salt water is neutral. (a) True (b) False
40. 40.⚖️ 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

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