Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 203 · 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.🛟 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
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a mirror (d) a comb
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) a balloon (d) an empty bottle
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
7. 7.True or false: plain water is neutral. (a) False (b) True
8. 8.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
9. 9.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) curd (d) plain water
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a balloon (d) a mirror
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) vinegar (d) a comb
12. 12.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
13. 13.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) baking soda water (d) vinegar
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.⚖️ 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
16. 16.🫧 Which of these is neutral? (a) soap solution (b) baking soda water (c) orange juice (d) plain water
17. 17.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
18. 18.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
19. 19.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the balloon got cold (d) the gas froze
20. 20.🔍 Which is the odd one out? (a) curd (b) vinegar (c) plain water (d) orange juice
21. 21.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) baking soda water (d) lemon juice
22. 22.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
24. 24.⚖️ 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
25. 25.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) orange juice (d) lemon juice
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a mirror (c) a seed (d) sugar
27. 27.⚖️ 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
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) vinegar (d) sugar
29. 29.⚖️ 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 same bottle (c) spoons of baking soda (d) the kind of balloon
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
31. 31.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
32. 32.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
33. 33.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
34. 34.True or false: tamarind water is an acid. (a) True (b) False
35. 35.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
36. 36.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) a funnel or spoon (d) a mirror
38. 38.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
40. 40.🫧 Which of these is a base? (a) vinegar (b) baking soda water (c) lemon juice (d) tamarind water

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