Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 987 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a comb (d) a tray for spills
2. 2.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
3. 3.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) tamarind water (d) salt water
4. 4.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a comb (d) a magnet
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a battery cell (d) an empty bottle
7. 7.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
8. 8.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
12. 12.🫧 Which of these is neutral? (a) salt water (b) vinegar (c) baking soda water (d) tamarind water
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) vinegar (d) a balloon
14. 14.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
16. 16.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
17. 17.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) orange juice (d) salt water
20. 20.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
21. 21.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) soap solution (d) detergent water
22. 22.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
23. 23.🫧 Which of these is neutral? (a) soap solution (b) curd (c) sugar water (d) baking soda water
24. 24.True or false: orange juice is an acid. (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) False (b) True
26. 26.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
27. 27.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.🔍 Which is the odd one out? (a) curd (b) sugar water (c) salt water (d) plain water
29. 29.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
30. 30.🛟 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
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) the same bottle (d) size of the balloon
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) a magnet (d) sugar
33. 33.True or false: tamarind water is an acid. (a) True (b) False
34. 34.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
37. 37.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
38. 38.⚖️ 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
39. 39.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) outside air gets in (d) vinegar is hot
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon

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