Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 881 · 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 should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) vinegar (d) a tray for spills
3. 3.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a mirror (d) a magnet
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) a mirror (d) a magnet
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) a funnel or spoon (d) baking soda
7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a mirror (d) a comb
9. 9.⚖️ 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
10. 10.🔍 Which is the odd one out? (a) vinegar (b) curd (c) salt water (d) tamarind water
11. 11.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
12. 12.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
13. 13.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
14. 14.True or false: soap solution is a base. (a) False (b) True
15. 15.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
16. 16.⚖️ 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 keep it the same (c) we measure it
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) the same bottle (d) size of the balloon
18. 18.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
19. 19.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
20. 20.⚖️ 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 keep it the same (c) we change it
21. 21.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
22. 22.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a mirror (d) baking soda
24. 24.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
25. 25.True or false: sugar water is neutral. (a) True (b) False
26. 26.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
27. 27.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) vinegar (d) plain water
28. 28.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
29. 29.⚖️ 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
30. 30.📘 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
31. 31.🫧 Which of these is neutral? (a) lemon juice (b) vinegar (c) tamarind water (d) plain water
32. 32.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) sugar water
33. 33.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
34. 34.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) a battery cell (d) sugar
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a battery cell (d) a balloon
38. 38.⚖️ 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
39. 39.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) curd

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