Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 383 · 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 measure it (c) we keep it the same
2. 2.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
3. 3.🫧 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
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
5. 5.True or false: lemon juice is a base. (a) True (b) False
6. 6.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ 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 same bottle
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) sugar (d) a balloon
9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
10. 10.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
11. 11.⚖️ 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 change it (c) we measure it
12. 12.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) sugar (c) a funnel or spoon (d) a balloon
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
15. 15.🫧 Which of these is neutral? (a) baking soda water (b) tamarind water (c) sugar water (d) orange juice
16. 16.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
17. 17.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
18. 18.⚖️ 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
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
20. 20.🫧 Which of these is neutral? (a) lemon juice (b) plain water (c) tamarind water (d) curd
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
22. 22.🔮 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
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a tray for spills (d) sugar
24. 24.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
25. 25.True or false: baking soda water is an acid. (a) False (b) True
26. 26.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a seed (c) a balloon (d) a tray for spills
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) an empty bottle (d) baking soda
30. 30.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) sugar (d) a mirror
32. 32.True or false: lemon juice is an acid. (a) True (b) False
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
34. 34.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
35. 35.⚖️ 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) the kind of balloon (d) the same bottle
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
37. 37.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) lemon juice (d) soap solution
38. 38.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
39. 39.🫧 Which of these is neutral? (a) salt water (b) orange juice (c) tamarind water (d) lemon juice
40. 40.True or false: tamarind water is neutral. (a) True (b) False

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