Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 828 · 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.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) sugar (d) an empty bottle
2. 2.True or false: curd is an acid. (a) True (b) False
3. 3.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
4. 4.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
6. 6.True or false: baking soda water is neutral. (a) True (b) False
7. 7.⚖️ 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
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a tray for spills (d) baking soda
9. 9.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.⚖️ 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 kind of balloon (c) spoons of baking soda
11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
12. 12.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
13. 13.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
14. 14.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
15. 15.True or false: vinegar is an acid. (a) True (b) False
16. 16.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a balloon (d) baking soda
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a mirror (d) a balloon
19. 19.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
20. 20.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
22. 22.True or false: soap solution is an acid. (a) True (b) False
23. 23.🫧 Which of these is a base? (a) soap solution (b) vinegar (c) sugar water (d) orange juice
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a funnel or spoon (d) sugar
25. 25.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
26. 26.⚖️ 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
27. 27.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
28. 28.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
29. 29.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
31. 31.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
32. 32.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
34. 34.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) oxygen (d) helium
36. 36.True or false: detergent water is a base. (a) False (b) True
37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
38. 38.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
39. 39.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed

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