Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 324 · 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.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
2. 2.True or false: lemon juice is a base. (a) True (b) False
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) a balloon (d) a funnel or spoon
4. 4.🔍 Which is the odd one out? (a) plain water (b) salt water (c) tamarind water (d) sugar water
5. 5.⚖️ 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 measure it (c) we change it
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) vinegar (d) a balloon
7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
9. 9.⚖️ 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 same bottle (c) spoons of baking soda
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) size of the balloon
11. 11.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.True or false: tamarind water is a base. (a) True (b) False
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a mirror (d) an empty bottle
16. 16.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
17. 17.⚖️ 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) False (b) True
18. 18.⚖️ 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
19. 19.⚖️ 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) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
20. 20.⚖️ 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
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
22. 22.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
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.⚖️ 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) True (b) False
25. 25.True or false: lemon juice is neutral. (a) True (b) False
26. 26.🫧 Which of these is neutral? (a) plain water (b) tamarind water (c) vinegar (d) baking soda water
27. 27.⚖️ 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
28. 28.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
30. 30.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
31. 31.📘 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
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
33. 33.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) salt water (d) tamarind water
34. 34.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
35. 35.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
36. 36.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
37. 37.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
38. 38.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
39. 39.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
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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