Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 659 · 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) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
2. 2.🧺 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
3. 3.True or false: soap solution is neutral. (a) True (b) False
4. 4.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a seed (d) a balloon
7. 7.⚖️ 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 keep it the same (c) we change it
8. 8.True or false: tamarind water is a base. (a) False (b) True
9. 9.🫧 Which of these is an acid? (a) tamarind water (b) soap solution (c) salt water (d) plain water
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a magnet (d) a balloon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
12. 12.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) orange juice (d) salt water
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
14. 14.True or false: tamarind water is neutral. (a) False (b) True
15. 15.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
16. 16.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
17. 17.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) baking soda water
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
19. 19.True or false: tamarind water is an acid. (a) True (b) False
20. 20.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) lemon juice
22. 22.True or false: orange juice is an acid. (a) True (b) False
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the same bottle
24. 24.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) sugar water
26. 26.⚖️ 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
27. 27.⚖️ 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 keep it the same (c) we change it
28. 28.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) vinegar
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) a funnel or spoon (d) baking soda
30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a comb (d) a tray for spills
33. 33.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
35. 35.🫧 Which of these is neutral? (a) baking soda water (b) sugar water (c) curd (d) soap solution
36. 36.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
37. 37.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
38. 38.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) vinegar (d) tamarind water
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) sugar (d) a tray for spills

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