Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 265 · 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 an acid? (a) baking soda water (b) vinegar (c) sugar water (d) plain water
2. 2.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) plain water
3. 3.⚖️ 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
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the same bottle
5. 5.🫧 Which of these is neutral? (a) salt water (b) orange juice (c) curd (d) detergent water
6. 6.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
11. 11.🫧 Which of these is neutral? (a) sugar water (b) detergent water (c) orange juice (d) vinegar
12. 12.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
13. 13.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) sugar
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a seed (d) baking soda
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
17. 17.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) rub it hard (d) add baking soda
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
20. 20.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
21. 21.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
22. 22.True or false: salt water is neutral. (a) True (b) False
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
24. 24.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
25. 25.⚖️ 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
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
27. 27.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.⚖️ 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
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a funnel or spoon (d) a battery cell
31. 31.True or false: curd is neutral. (a) False (b) True
32. 32.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
33. 33.📘 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
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
35. 35.⚖️ 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) spoons of baking soda (c) the kind of balloon (d) the same bottle
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) baking soda (d) a funnel or spoon
37. 37.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a tray for spills (d) a seed
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
40. 40.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed

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