Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 577 · 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? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
3. 3.⚖️ 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
4. 4.True or false: detergent water is neutral. (a) False (b) True
5. 5.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) vinegar (d) a balloon
7. 7.🫧 Which of these is an acid? (a) tamarind water (b) plain water (c) detergent water (d) baking soda water
8. 8.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
9. 9.🫧 Which of these is neutral? (a) vinegar (b) salt water (c) detergent water (d) tamarind water
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) baking soda (d) a funnel or spoon
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
12. 12.🫧 Which of these is neutral? (a) tamarind water (b) plain water (c) baking soda water (d) soap solution
13. 13.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) lemon juice (d) baking soda water
14. 14.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
15. 15.🫧 Which of these is neutral? (a) vinegar (b) sugar water (c) orange juice (d) baking soda water
16. 16.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) a battery cell (d) a mirror
19. 19.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) vinegar is hot (d) the bottle shrinks
20. 20.🫧 Which of these is an acid? (a) plain water (b) detergent water (c) lemon juice (d) soap solution
21. 21.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) vinegar (d) detergent water
22. 22.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a seed (d) an empty bottle
24. 24.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
25. 25.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
26. 26.True or false: detergent water is a base. (a) True (b) False
27. 27.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
28. 28.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
29. 29.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
30. 30.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
31. 31.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) vinegar (d) curd
32. 32.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
35. 35.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) plain water (d) salt water
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) vinegar (d) a battery cell
37. 37.⚖️ 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) False (b) True
38. 38.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) a balloon (d) an empty bottle

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