Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 391 · 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? True or false: the kind of balloon is the one thing we change. (a) False (b) True
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) an empty bottle (d) vinegar
3. 3.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) salt water (d) sugar water
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) sugar (d) a magnet
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) a tray for spills (d) an empty bottle
6. 6.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) sugar (d) baking soda
8. 8.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
9. 9.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) baking soda water (d) curd
10. 10.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) a comb (d) baking soda
14. 14.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
15. 15.⚖️ 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
16. 16.⚖️ 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 keep it the same (c) we change it
17. 17.⚖️ 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
18. 18.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
19. 19.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a comb (d) a funnel or spoon
21. 21.🔮 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
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) sugar (c) baking soda (d) an empty bottle
23. 23.🛟 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
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
25. 25.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
26. 26.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
27. 27.⚖️ 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
28. 28.⚖️ 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 change it (c) we keep it the same
29. 29.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) baking soda water (d) tamarind water
30. 30.⚖️ 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
31. 31.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) detergent water (d) soap solution
32. 32.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
33. 33.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) tamarind water
34. 34.🫧 Which of these is neutral? (a) detergent water (b) salt water (c) baking soda water (d) lemon juice
35. 35.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a mirror (c) a tray for spills (d) an empty bottle
37. 37.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
39. 39.🫧 Which of these is a base? (a) curd (b) orange juice (c) baking soda water (d) vinegar
40. 40.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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