Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 718 · 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.🫧 Which of these is a base? (a) soap solution (b) salt water (c) sugar water (d) lemon juice
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
4. 4.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) sugar (d) a comb
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
9. 9.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
10. 10.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) vinegar (d) plain water
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a seed (d) a tray for spills
12. 12.True or false: orange juice is an acid. (a) False (b) True
13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) baking soda water (d) curd
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) an empty bottle (d) a tray for spills
17. 17.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) orange juice (b) sugar water (c) lemon juice (d) vinegar
20. 20.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
21. 21.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
22. 22.🫧 Which of these is an acid? (a) baking soda water (b) tamarind water (c) sugar water (d) soap solution
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) vinegar (d) a battery cell
24. 24.🫧 Which of these is a base? (a) detergent water (b) sugar water (c) lemon juice (d) vinegar
25. 25.⚖️ 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
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a mirror (d) baking soda
27. 27.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
29. 29.⚖️ 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 same bottle (c) size of the balloon (d) the amount of vinegar
30. 30.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
31. 31.True or false: salt water is neutral. (a) True (b) False
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) an empty bottle (d) a mirror
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) vinegar (d) baking soda
34. 34.🫧 Which of these is neutral? (a) plain water (b) lemon juice (c) baking soda water (d) tamarind water
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
36. 36.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
37. 37.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) baking soda (d) a balloon
40. 40.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed

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