Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 715 · 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.🛟 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
2. 2.⚖️ 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 same bottle
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a battery cell (d) a magnet
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a battery cell (d) vinegar
5. 5.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) soap solution (d) orange juice
6. 6.⚖️ 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 measure it (c) we change it
7. 7.True or false: a balloon 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 seed (b) a funnel or spoon (c) vinegar (d) baking soda
9. 9.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) sugar water (d) orange juice
10. 10.🫧 Which of these is neutral? (a) detergent water (b) sugar water (c) vinegar (d) curd
11. 11.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) salt water
13. 13.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
14. 14.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a funnel or spoon (d) a magnet
16. 16.⚖️ 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
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) a mirror
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) size of the balloon
20. 20.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) curd
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
22. 22.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a battery cell (d) an empty bottle
24. 24.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a battery cell (d) baking soda
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
27. 27.⚖️ 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 measure it (c) we keep it the same
28. 28.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
29. 29.🫧 Which of these is a base? (a) plain water (b) salt water (c) tamarind water (d) baking soda water
30. 30.🛟 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
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a magnet
32. 32.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
33. 33.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
34. 34.🫧 Which of these is neutral? (a) salt water (b) lemon juice (c) baking soda water (d) tamarind water
35. 35.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
36. 36.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
37. 37.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) vinegar
38. 38.True or false: detergent water is an acid. (a) False (b) True
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) a comb
40. 40.True or false: salt water is a base. (a) True (b) False

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