Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 136 · 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) a balloon (b) a comb (c) baking soda (d) a funnel or spoon
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) baking soda (d) a magnet
3. 3.🫧 Which of these is a base? (a) sugar water (b) plain water (c) lemon juice (d) detergent water
4. 4.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
5. 5.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) vinegar (d) a mirror
7. 7.🫧 Which of these is neutral? (a) vinegar (b) baking soda water (c) curd (d) plain water
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) a tray for spills (d) a funnel or spoon
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
11. 11.🛟 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
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) soap solution (d) detergent water
14. 14.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a battery cell (d) baking soda
16. 16.⚖️ 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 measure it (c) we keep it the same
17. 17.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
18. 18.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
19. 19.⚖️ 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 keep it the same (c) we measure it
20. 20.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) sugar water (d) tamarind water
21. 21.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
22. 22.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
24. 24.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
25. 25.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) lemon juice
26. 26.⚖️ 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
27. 27.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) vinegar (c) sugar (d) a comb
29. 29.🫧 Which of these is a base? (a) salt water (b) orange juice (c) curd (d) baking soda water
30. 30.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
31. 31.True or false: curd is an acid. (a) True (b) False
32. 32.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
33. 33.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
34. 34.True or false: tamarind water is a base. (a) False (b) True
35. 35.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
36. 36.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
37. 37.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) salt water (d) sugar water
38. 38.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) curd (d) salt water
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) vinegar (d) baking soda
40. 40.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed

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