Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 788 · 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) sugar water (b) soap solution (c) detergent water (d) baking soda water
2. 2.🔍 Which is the odd one out? (a) curd (b) orange juice (c) soap solution (d) vinegar
3. 3.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) orange juice (d) soap solution
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a balloon (c) baking soda (d) a tray for spills
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) size of the balloon (d) the same bottle
6. 6.⚖️ 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
7. 7.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) vinegar (d) salt water
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda (d) the same bottle
9. 9.⚖️ 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
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a tray for spills (d) a comb
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
12. 12.🫧 Which of these is an acid? (a) salt water (b) curd (c) plain water (d) baking soda water
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a magnet (d) baking soda
14. 14.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
15. 15.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
16. 16.🫧 Which of these is a base? (a) plain water (b) salt water (c) vinegar (d) baking soda water
17. 17.⚖️ 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
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
19. 19.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
20. 20.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
21. 21.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) plain water (d) baking soda water
22. 22.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) baking soda water (d) plain water
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.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
25. 25.🔮 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
26. 26.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) vinegar (d) soap solution
27. 27.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
28. 28.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
30. 30.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
33. 33.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a mirror
36. 36.🫧 Which of these is neutral? (a) plain water (b) soap solution (c) tamarind water (d) curd
37. 37.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
38. 38.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
39. 39.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a seed (d) an empty bottle

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