Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 515 · 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.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a magnet (d) a funnel or spoon
3. 3.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
4. 4.🫧 Which of these is a base? (a) lemon juice (b) salt water (c) plain water (d) detergent water
5. 5.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
6. 6.True or false: plain water is a base. (a) True (b) False
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) an empty bottle (c) a balloon (d) a funnel or spoon
8. 8.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
9. 9.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
11. 11.⚖️ 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) True (b) False
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) an empty bottle (d) vinegar
13. 13.⚖️ 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
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) sugar (d) a balloon
15. 15.⚖️ 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) spoons of baking soda (d) size of the balloon
16. 16.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a funnel or spoon (d) a mirror
19. 19.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
20. 20.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) tamarind water (d) plain water
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
22. 22.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
24. 24.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) baking soda (d) a mirror
26. 26.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
28. 28.⚖️ 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 change it (c) we measure it
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
30. 30.🫧 Which of these is neutral? (a) curd (b) baking soda water (c) orange juice (d) sugar water
31. 31.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) an empty bottle (d) a mirror
33. 33.🫧 Which of these is an acid? (a) curd (b) plain water (c) soap solution (d) salt water
34. 34.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a balloon (d) a seed
36. 36.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
37. 37.🫧 Which of these is neutral? (a) vinegar (b) orange juice (c) soap solution (d) salt water
38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) vinegar (d) an empty bottle
39. 39.🫧 Which of these is a base? (a) vinegar (b) tamarind water (c) lemon juice (d) baking soda water
40. 40.🔍 Which is the odd one out? (a) orange juice (b) salt water (c) curd (d) lemon juice

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