Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 742 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a magnet (d) a mirror
3. 3.🔍 Which is the odd one out? (a) vinegar (b) curd (c) salt water (d) orange juice
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a mirror (d) a tray for spills
5. 5.⚖️ 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
6. 6.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
7. 7.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) baking soda water (d) soap solution
9. 9.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
10. 10.⚖️ 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) the kind of balloon (d) spoons of baking soda
11. 11.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
12. 12.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
13. 13.⚖️ 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 measure it (c) we keep it the same
14. 14.🔍 Which is the odd one out? (a) tamarind water (b) detergent water (c) lemon juice (d) vinegar
15. 15.True or false: soap solution is neutral. (a) False (b) True
16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
17. 17.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a battery cell (d) a mirror
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) a comb (d) an empty bottle
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a comb (c) baking soda (d) an empty bottle
21. 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
22. 22.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) baking soda (c) a balloon (d) a tray for spills
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a funnel or spoon (d) a battery cell
26. 26.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
27. 27.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) salt water (d) tamarind water
28. 28.True or false: detergent water is a base. (a) False (b) True
29. 29.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
30. 30.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) plain water (d) orange juice
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) vinegar (d) a balloon
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) baking soda (d) a tray for spills
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
34. 34.⚖️ 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 change it (c) we keep it the same
35. 35.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
36. 36.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) vinegar (d) an empty bottle
38. 38.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
39. 39.⚖️ 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 keep it the same (c) we measure it
40. 40.True or false: tamarind water is a base. (a) False (b) True

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