Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 559 · 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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
2. 2.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) an empty bottle (d) a mirror
4. 4.🛟 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
5. 5.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
8. 8.🫧 Is lemon 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? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
11. 11.🔍 Which is the odd one out? (a) salt water (b) vinegar (c) lemon juice (d) tamarind water
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) the kind of balloon (d) spoons of baking soda
13. 13.True or false: salt water is neutral. (a) False (b) True
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a balloon (d) a funnel or spoon
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a balloon (c) vinegar (d) baking soda
18. 18.⚖️ 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) True (b) False
19. 19.⚖️ 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) True (b) False
20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
21. 21.🫧 Which of these is neutral? (a) detergent water (b) tamarind water (c) orange juice (d) plain water
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) vinegar (d) sugar
23. 23.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) soap solution
24. 24.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) plain water (d) lemon juice
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) a tray for spills (d) baking soda
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
28. 28.True or false: baking soda water is neutral. (a) False (b) True
29. 29.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) lemon juice (d) soap solution
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a balloon (d) baking soda
32. 32.🫧 Which of these is a base? (a) curd (b) detergent water (c) orange juice (d) vinegar
33. 33.🫧 Which of these is a base? (a) plain water (b) baking soda water (c) orange juice (d) vinegar
34. 34.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
35. 35.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
36. 36.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
37. 37.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
38. 38.True or false: orange juice is neutral. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) baking soda water (d) detergent water
40. 40.📘 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

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