Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 682 · 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.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a mirror (c) a comb (d) a magnet
3. 3.🔍 Which is the odd one out? (a) lemon juice (b) soap solution (c) tamarind water (d) vinegar
4. 4.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) vinegar (d) an empty bottle
6. 6.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
7. 7.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a seed (d) vinegar
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a tray for spills (d) a magnet
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
12. 12.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
13. 13.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) curd (d) salt water
14. 14.⚖️ 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) spoons of baking soda (c) size of the balloon (d) the same bottle
15. 15.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) sugar water (d) plain water
16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
18. 18.⚖️ 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
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) an empty bottle (d) sugar
20. 20.True or false: sugar water is neutral. (a) False (b) True
21. 21.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) a tray for spills (d) baking soda
24. 24.True or false: soap solution is an acid. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) lemon juice (d) detergent water
26. 26.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
27. 27.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
29. 29.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
31. 31.📘 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
32. 32.⚖️ 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
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a balloon (d) vinegar
34. 34.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) soap solution (d) sugar water
35. 35.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) soap solution (d) detergent water
36. 36.🛟 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
37. 37.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
38. 38.True or false: salt water is a base. (a) False (b) True
39. 39.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) sugar water (d) curd
40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False

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