Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 317 · 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.🫧 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
2. 2.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
3. 3.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
4. 4.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
5. 5.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
6. 6.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
7. 7.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
8. 8.True or false: salt water is neutral. (a) False (b) True
9. 9.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
11. 11.🫧 Which of these is an acid? (a) plain water (b) curd (c) detergent water (d) sugar water
12. 12.⚖️ 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 measure it (c) we change it
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a magnet (d) a tray for spills
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) sugar water (d) plain water
16. 16.True or false: detergent water is an acid. (a) True (b) False
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
18. 18.⚖️ 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
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a mirror (d) a seed
20. 20.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
21. 21.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
22. 22.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a mirror (d) vinegar
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a funnel or spoon (c) an empty bottle (d) a tray for spills
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a battery cell
26. 26.True or false: sugar water is neutral. (a) False (b) True
27. 27.True or false: lemon juice is an acid. (a) False (b) True
28. 28.⚖️ 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
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a balloon (d) a mirror
30. 30.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
32. 32.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
33. 33.⚖️ 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 measure it (c) we keep it the same
34. 34.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) the bottle shrinks (d) outside air gets in
35. 35.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) lemon juice (d) sugar water
36. 36.🔍 Which is the odd one out? (a) salt water (b) vinegar (c) sugar water (d) plain water
37. 37.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) detergent water (d) plain water
38. 38.🫧 Which of these is neutral? (a) lemon juice (b) plain water (c) detergent water (d) curd
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) a tray for spills (d) an empty bottle
40. 40.True or false: plain water is an acid. (a) True (b) False

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