Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 893 · 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: size of the balloon is kept the same. (a) True (b) False
2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
4. 4.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) soap solution (d) salt water
5. 5.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) detergent water (d) orange juice
6. 6.True or false: vinegar is neutral. (a) True (b) False
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
8. 8.True or false: detergent water is a base. (a) False (b) True
9. 9.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
10. 10.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
11. 11.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a battery cell (d) a funnel or spoon
14. 14.⚖️ 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
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) the kind of balloon (d) size of the balloon
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a mirror (d) vinegar
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) a balloon (d) an empty bottle
19. 19.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
20. 20.🛟 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
21. 21.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) salt water (d) vinegar
22. 22.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) vinegar (d) a tray for spills
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
26. 26.⚖️ 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 change it (c) we keep it the same
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) an empty bottle (d) a magnet
28. 28.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
29. 29.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
30. 30.🔍 Which is the odd one out? (a) tamarind water (b) plain water (c) sugar water (d) salt water
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
32. 32.True or false: tamarind water is a base. (a) True (b) False
33. 33.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) soap solution (d) tamarind water
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a balloon (d) a magnet
35. 35.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
37. 37.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.🔍 Which is the odd one out? (a) lemon juice (b) baking soda water (c) curd (d) vinegar
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a mirror (d) baking soda
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a balloon (d) a seed

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