Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 366 · 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.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
2. 2.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
3. 3.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
4. 4.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
5. 5.🫧 Which of these is an acid? (a) detergent water (b) lemon juice (c) plain water (d) baking soda water
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
7. 7.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) detergent water (d) baking soda water
8. 8.⚖️ 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 kind of balloon
9. 9.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) curd (d) detergent water
10. 10.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) a tray for spills (d) a balloon
12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a tray for spills (d) a mirror
14. 14.⚖️ 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) spoons of baking soda (c) size of the balloon (d) the same bottle
15. 15.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) orange juice (d) plain water
16. 16.⚖️ 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) False (b) True
17. 17.True or false: detergent water is an acid. (a) True (b) False
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) a balloon (d) baking soda
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) vinegar (c) a comb (d) sugar
20. 20.True or false: tamarind water is an acid. (a) False (b) True
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a mirror (c) a comb (d) a battery cell
22. 22.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
23. 23.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
24. 24.🔍 Which is the odd one out? (a) curd (b) plain water (c) tamarind water (d) vinegar
25. 25.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
26. 26.⚖️ 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
27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
28. 28.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
29. 29.True or false: lemon juice is neutral. (a) True (b) False
30. 30.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) baking soda (d) a battery cell
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) a funnel or spoon (d) a balloon
34. 34.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
36. 36.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a seed (d) vinegar
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) sugar
39. 39.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
40. 40.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) detergent water (d) soap solution

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