Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 793 · 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.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
3. 3.🫧 Which of these is neutral? (a) detergent water (b) lemon juice (c) salt water (d) baking soda water
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) a funnel or spoon (d) vinegar
5. 5.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
6. 6.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
7. 7.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) sugar (d) vinegar
9. 9.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
10. 10.🫧 Which of these is a base? (a) detergent water (b) orange juice (c) vinegar (d) plain water
11. 11.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
12. 12.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) tamarind water
13. 13.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
14. 14.True or false: soap solution is a base. (a) False (b) True
15. 15.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) lemon juice (d) plain water
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
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) False (b) True
18. 18.⚖️ 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 amount of vinegar
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
21. 21.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) gas is made inside (d) vinegar is hot
22. 22.⚖️ 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 measure it (c) we keep it the same
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a battery cell (d) a tray for spills
25. 25.True or false: sugar water is an acid. (a) False (b) True
26. 26.🫧 Which of these is neutral? (a) plain water (b) soap solution (c) orange juice (d) baking soda water
27. 27.🔍 Which is the odd one out? (a) salt water (b) plain water (c) baking soda water (d) sugar water
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) sugar (d) baking soda
29. 29.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) the same bottle (d) size of the balloon
31. 31.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) baking soda water (d) detergent water
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
33. 33.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
35. 35.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
36. 36.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) detergent water (d) vinegar
37. 37.⚖️ 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 keep it the same (c) we measure it
38. 38.True or false: tamarind water is a base. (a) True (b) False
39. 39.🫧 Which of these is a base? (a) soap solution (b) curd (c) vinegar (d) sugar water
40. 40.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True

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