Baking Soda and Vinegar Experiment Worksheet

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

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