Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 419 · 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.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
2. 2.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
3. 3.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a balloon (d) sugar
5. 5.🫧 Which of these is a base? (a) vinegar (b) salt water (c) lemon juice (d) baking soda water
6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a funnel or spoon (d) sugar
7. 7.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
8. 8.⚖️ 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
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
11. 11.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
12. 12.⚖️ 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
13. 13.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
14. 14.⚖️ 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 kind of balloon
15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a seed (d) vinegar
16. 16.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a comb (d) vinegar
19. 19.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
20. 20.⚖️ 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) the kind of balloon (c) spoons of baking soda (d) size of the balloon
21. 21.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) vinegar is hot (d) the bottle shrinks
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) an empty bottle (d) baking soda
23. 23.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
24. 24.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
25. 25.🔍 Which is the odd one out? (a) tamarind water (b) plain water (c) curd (d) orange juice
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) tamarind water (d) curd
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a balloon (d) vinegar
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a magnet (d) baking soda
33. 33.⚖️ 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
34. 34.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
35. 35.🫧 Which of these is an acid? (a) baking soda water (b) lemon juice (c) salt water (d) sugar water
36. 36.⚖️ 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
37. 37.True or false: lemon juice is a base. (a) True (b) False
38. 38.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
39. 39.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
40. 40.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) sugar water (d) salt water

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