Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 888 · 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.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
2. 2.⚖️ 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 change it (c) we measure it
3. 3.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
4. 4.⚖️ 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
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) a balloon (d) vinegar
6. 6.⚖️ 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 keep it the same (c) we measure it
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
9. 9.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
10. 10.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
11. 11.🧺 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
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
13. 13.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) baking soda water (d) orange juice
14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
15. 15.⚖️ 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
16. 16.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
17. 17.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
19. 19.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) tamarind water (d) plain water
20. 20.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
21. 21.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
22. 22.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) orange juice (d) soap solution
24. 24.🫧 Which of these is neutral? (a) curd (b) baking soda water (c) sugar water (d) orange juice
25. 25.True or false: vinegar is an acid. (a) True (b) False
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a tray for spills (d) vinegar
27. 27.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) no, nothing changes (d) yes, a new gas forms
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
30. 30.⚖️ 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) True (b) False
31. 31.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) lemon juice (d) soap solution
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
33. 33.⚖️ 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) True (b) False
34. 34.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
35. 35.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
36. 36.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a funnel or spoon (d) a battery cell
38. 38.🫧 Which of these is an acid? (a) soap solution (b) tamarind water (c) baking soda water (d) plain water
39. 39.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
40. 40.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid

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