Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 217 · 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? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a battery cell (d) a funnel or spoon
3. 3.🔍 Which is the odd one out? (a) curd (b) salt water (c) orange juice (d) lemon juice
4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
5. 5.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a magnet (d) vinegar
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
9. 9.🫧 Which of these is neutral? (a) orange juice (b) plain water (c) lemon juice (d) soap solution
10. 10.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
12. 12.True or false: tamarind water is an acid. (a) False (b) True
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a seed (d) baking soda
14. 14.🔍 Which is the odd one out? (a) orange juice (b) curd (c) lemon juice (d) sugar water
15. 15.🧺 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 comb
16. 16.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a comb (d) vinegar
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) curd (d) baking soda water
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
22. 22.⚖️ 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
23. 23.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
24. 24.⚖️ 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
25. 25.⚖️ 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
26. 26.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
27. 27.🫧 Which of these is a base? (a) plain water (b) curd (c) baking soda water (d) orange juice
28. 28.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
30. 30.⚖️ 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) size of the balloon (d) spoons of baking soda
31. 31.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) orange juice
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a balloon (c) a battery cell (d) a mirror
33. 33.⚖️ 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 amount of vinegar (c) spoons of baking soda
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a mirror (d) baking soda
35. 35.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
36. 36.🔍 Which is the odd one out? (a) curd (b) soap solution (c) baking soda water (d) detergent water
37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
38. 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
39. 39.⚖️ 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 change it (c) we keep it the same
40. 40.⚖️ 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 measure it (c) we keep it the same

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