Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 719 · 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? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
3. 3.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) sugar water
4. 4.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) salt water (d) orange juice
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) an empty bottle (d) a magnet
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) vinegar (d) an empty bottle
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) sugar (c) a comb (d) a mirror
8. 8.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) vinegar (d) a magnet
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) plain water (d) tamarind water
14. 14.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a seed (d) vinegar
16. 16.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
17. 17.True or false: sugar water is a base. (a) False (b) True
18. 18.🫧 Which of these is a base? (a) tamarind water (b) soap solution (c) lemon juice (d) plain water
19. 19.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a balloon (d) a mirror
22. 22.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
23. 23.🫧 Which of these is neutral? (a) curd (b) detergent water (c) plain water (d) baking soda water
24. 24.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) baking soda (d) a magnet
26. 26.⚖️ 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 same bottle (c) size of the balloon
27. 27.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
28. 28.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a seed (d) a balloon
32. 32.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
33. 33.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda (d) the same bottle
35. 35.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) detergent water (d) baking soda water
36. 36.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
37. 37.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) a tray for spills (d) an empty bottle
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a tray for spills (d) sugar
40. 40.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) vinegar (d) sugar water

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