Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 939 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a balloon (d) a mirror
2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing
3. 3.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
5. 5.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) baking soda water (d) vinegar
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) an empty bottle (c) a tray for spills (d) baking soda
7. 7.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) baking soda water (d) soap solution
8. 8.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
9. 9.🫧 Which of these is an acid? (a) salt water (b) lemon juice (c) sugar water (d) detergent water
10. 10.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
11. 11.🛟 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
12. 12.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
13. 13.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
16. 16.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
19. 19.⚖️ 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
20. 20.🔍 Which is the odd one out? (a) salt water (b) curd (c) sugar water (d) plain water
21. 21.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
22. 22.⚖️ 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
23. 23.🧺 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 battery cell
24. 24.True or false: baking soda water is a base. (a) False (b) True
25. 25.🫧 Which of these is a base? (a) vinegar (b) tamarind water (c) baking soda water (d) sugar water
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) a funnel or spoon (d) an empty bottle
27. 27.True or false: orange juice is neutral. (a) False (b) True
28. 28.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) baking soda (d) a balloon
31. 31.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
32. 32.True or false: tamarind water is neutral. (a) True (b) False
33. 33.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
34. 34.True or false: soap solution is a base. (a) True (b) False
35. 35.🫧 Which of these is neutral? (a) lemon juice (b) detergent water (c) vinegar (d) salt water
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
39. 39.⚖️ 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 amount of vinegar (c) size of the balloon
40. 40.🫧 Which of these is a base? (a) detergent water (b) sugar water (c) plain water (d) tamarind water

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