Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 372 · 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? Which of these is what we measure? (a) spoons of baking soda (b) the amount of vinegar (c) the kind of balloon (d) size of the balloon
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) vinegar (d) baking soda
3. 3.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) detergent water (d) soap solution
4. 4.🛟 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
5. 5.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
6. 6.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
7. 7.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) orange juice
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a comb
9. 9.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
10. 10.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
11. 11.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) an empty bottle (d) a balloon
13. 13.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a mirror (d) baking soda
15. 15.🔍 Which is the odd one out? (a) curd (b) vinegar (c) lemon juice (d) baking soda water
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a seed (d) vinegar
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) a mirror
18. 18.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a comb (d) a seed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the kind of balloon (c) size of the balloon (d) spoons of baking soda
21. 21.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
22. 22.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
23. 23.True or false: tamarind water is an acid. (a) True (b) False
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
25. 25.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
26. 26.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) baking soda water (d) detergent water
27. 27.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
28. 28.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
29. 29.⚖️ 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
30. 30.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
32. 32.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
33. 33.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) plain water (d) detergent water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
35. 35.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) tamarind water
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
39. 39.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
40. 40.🔮 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

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