Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 196 · 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: salt water is a base. (a) False (b) True
2. 2.True or false: baking soda water is a base. (a) False (b) True
3. 3.🫧 Which of these is neutral? (a) detergent water (b) vinegar (c) plain water (d) lemon juice
4. 4.🛟 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
5. 5.📘 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
6. 6.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) vinegar (d) baking soda water
7. 7.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) detergent water (d) vinegar
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
9. 9.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) detergent water (d) soap solution
10. 10.⚖️ 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 measure it (c) we change it
11. 11.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) sugar water (d) vinegar
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a funnel or spoon (d) a magnet
13. 13.True or false: vinegar is a base. (a) False (b) True
14. 14.⚖️ 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
15. 15.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
18. 18.⚖️ 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
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a tray for spills (d) sugar
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) a mirror (d) baking soda
21. 21.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
22. 22.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
23. 23.⚖️ 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
24. 24.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
25. 25.⚖️ 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
26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
27. 27.🔮 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
28. 28.🫧 Which of these is neutral? (a) tamarind water (b) salt water (c) orange juice (d) soap solution
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) a seed (d) a comb
30. 30.🫧 Which of these is a base? (a) tamarind water (b) vinegar (c) lemon juice (d) detergent water
31. 31.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) lemon juice (d) plain water
32. 32.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) a mirror (d) a seed
34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) a funnel or spoon (d) a tray for spills
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a battery cell (d) a balloon
39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
40. 40.⚖️ 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) True (b) False

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