Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 318 · 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: an empty bottle is needed for the fizzy balloon. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) plain water (b) detergent water (c) salt water (d) sugar water
3. 3.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
4. 4.🔮 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
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
6. 6.⚖️ 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
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
8. 8.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
9. 9.⚖️ 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
10. 10.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) lemon juice (d) plain water
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) vinegar (d) baking soda
12. 12.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) baking soda (c) a funnel or spoon (d) an empty bottle
14. 14.⚖️ 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 keep it the same (c) we measure it
15. 15.🔍 Which is the odd one out? (a) lemon juice (b) soap solution (c) tamarind water (d) vinegar
16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
19. 19.🫧 Which of these is neutral? (a) vinegar (b) orange juice (c) plain water (d) baking soda water
20. 20.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
21. 21.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) plain water (d) lemon juice
22. 22.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) baking soda (d) a funnel or spoon
24. 24.True or false: tamarind water is an acid. (a) False (b) True
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
26. 26.⚖️ 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
27. 27.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
28. 28.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
29. 29.🛟 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
30. 30.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
31. 31.🔍 Which is the odd one out? (a) orange juice (b) curd (c) baking soda water (d) tamarind water
32. 32.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) soap solution (d) detergent water
33. 33.🫧 Which of these is neutral? (a) lemon juice (b) sugar water (c) soap solution (d) vinegar
34. 34.True or false: tamarind water is a base. (a) True (b) False
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
38. 38.⚖️ 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
39. 39.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) a tray for spills (d) a funnel or spoon

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