Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 963 · 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.⚖️ 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
2. 2.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
3. 3.⚖️ 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 same bottle (c) the kind of balloon (d) size of the balloon
4. 4.🫧 Which of these is an acid? (a) curd (b) baking soda water (c) salt water (d) soap solution
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) a comb
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
8. 8.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) curd (d) baking soda water
9. 9.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a funnel or spoon (d) vinegar
12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
13. 13.⚖️ 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
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) True (b) False
15. 15.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a magnet (d) a funnel or spoon
17. 17.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
18. 18.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
19. 19.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) baking soda (d) sugar
21. 21.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) lemon juice (d) salt water
22. 22.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
23. 23.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
25. 25.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
26. 26.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) an empty bottle (d) a funnel or spoon
28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
29. 29.True or false: detergent water is a base. (a) True (b) False
30. 30.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) orange juice (d) detergent water
32. 32.True or false: baking soda water is neutral. (a) False (b) True
33. 33.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the same bottle (c) spoons of baking soda
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
37. 37.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) salt water (d) baking soda water
39. 39.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
40. 40.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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