Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 322 · 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 is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.🧺 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) a mirror (d) an empty bottle
4. 4.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
5. 5.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
6. 6.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) sugar water
8. 8.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon (d) the same bottle
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) the kind of balloon (d) size of the balloon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
12. 12.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
14. 14.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
15. 15.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) an empty bottle (d) a magnet
17. 17.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a battery cell (d) a funnel or spoon
19. 19.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) salt water (d) detergent water
20. 20.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
22. 22.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a comb (d) a mirror
24. 24.⚖️ 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
25. 25.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 Which of these is a base? (a) orange juice (b) detergent water (c) vinegar (d) tamarind water
27. 27.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) detergent water
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
30. 30.⚖️ 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
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
33. 33.🛟 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
34. 34.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
35. 35.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) vinegar (d) curd
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a comb (d) baking soda
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a battery cell (d) a funnel or spoon
39. 39.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
40. 40.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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