Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 679 · 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.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
2. 2.⚖️ 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
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) baking soda (d) a funnel or spoon
5. 5.🔍 Which is the odd one out? (a) salt water (b) vinegar (c) tamarind water (d) orange juice
6. 6.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
7. 7.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
8. 8.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) an empty bottle (d) a seed
10. 10.🛟 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
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
12. 12.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
13. 13.🔮 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
14. 14.🫧 Which of these is an acid? (a) salt water (b) plain water (c) vinegar (d) sugar water
15. 15.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
17. 17.⚖️ 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
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a tray for spills (c) a balloon (d) an empty bottle
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a balloon (d) vinegar
20. 20.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
21. 21.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
22. 22.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) sugar water (d) plain water
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) baking soda (d) an empty bottle
24. 24.🧺 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) vinegar
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) sugar (d) a battery cell
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
28. 28.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
29. 29.True or false: vinegar is a base. (a) True (b) False
30. 30.🫧 Which of these is an acid? (a) curd (b) salt water (c) detergent water (d) sugar water
31. 31.⚖️ 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
32. 32.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
33. 33.⚖️ 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
34. 34.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Which of these is a base? (a) soap solution (b) vinegar (c) lemon juice (d) plain water
36. 36.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar (d) the kind of balloon
38. 38.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
39. 39.🫧 Which of these is a base? (a) tamarind water (b) curd (c) sugar water (d) detergent water
40. 40.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids