Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 861 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a comb (c) baking soda (d) vinegar
2. 2.🛟 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
3. 3.True or false: salt water is an acid. (a) False (b) True
4. 4.True or false: tamarind water is an acid. (a) True (b) False
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) vinegar (c) a seed (d) a comb
6. 6.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
7. 7.True or false: lemon juice is a base. (a) True (b) False
8. 8.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
9. 9.🔍 Which is the odd one out? (a) curd (b) orange juice (c) salt water (d) vinegar
10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a mirror (d) a seed
11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) a magnet (d) a comb
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) an empty bottle (d) a tray for spills
13. 13.⚖️ 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
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a funnel or spoon (d) an empty bottle
15. 15.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) sugar water (d) salt water
16. 16.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
17. 17.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) sugar (d) a comb
19. 19.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
20. 20.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
21. 21.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) helium (d) hydrogen
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
24. 24.🛟 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
25. 25.⚖️ 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) the same bottle (c) spoons of baking soda (d) size of the balloon
26. 26.🔍 Which is the odd one out? (a) soap solution (b) vinegar (c) detergent water (d) baking soda water
27. 27.🫧 Which of these is neutral? (a) lemon juice (b) plain water (c) tamarind water (d) vinegar
28. 28.🫧 Which of these is neutral? (a) orange juice (b) tamarind water (c) vinegar (d) sugar water
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a battery cell (c) an empty bottle (d) vinegar
31. 31.True or false: lemon juice is an acid. (a) False (b) True
32. 32.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
33. 33.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
34. 34.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
35. 35.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
36. 36.🫧 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
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the kind of balloon
39. 39.⚖️ 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 keep it the same (c) we change it
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False

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