Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 572 · 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.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a mirror (d) baking soda
4. 4.🔮 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
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) vinegar (d) a tray for spills
6. 6.⚖️ 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
7. 7.🫧 Which of these is a base? (a) plain water (b) vinegar (c) tamarind water (d) soap solution
8. 8.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) sugar water (d) detergent water
9. 9.🫧 Which of these is an acid? (a) lemon juice (b) plain water (c) sugar water (d) detergent water
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
11. 11.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
12. 12.True or false: orange juice is neutral. (a) False (b) True
13. 13.True or false: soap solution is neutral. (a) True (b) False
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
15. 15.⚖️ 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 same bottle (c) size of the balloon (d) the amount of vinegar
16. 16.🫧 Which of these is neutral? (a) vinegar (b) plain water (c) lemon juice (d) orange juice
17. 17.🫧 Which of these is neutral? (a) salt water (b) vinegar (c) curd (d) detergent water
18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the same bottle (c) spoons of baking soda
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
21. 21.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
22. 22.📘 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
23. 23.True or false: lemon juice is an acid. (a) False (b) True
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a balloon (d) a seed
25. 25.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) vinegar (d) a comb
27. 27.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
28. 28.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
29. 29.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
30. 30.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) tamarind water (d) curd
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
33. 33.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
34. 34.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a funnel or spoon (d) a mirror
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) a tray for spills (d) a balloon
37. 37.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
38. 38.🫧 Which of these is neutral? (a) detergent water (b) orange juice (c) curd (d) sugar water
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) baking soda (d) an empty bottle
40. 40.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed

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