Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 638 · 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.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) orange juice (d) plain water
3. 3.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
4. 4.🫧 Which of these is neutral? (a) salt water (b) lemon juice (c) soap solution (d) detergent water
5. 5.⚖️ 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 same bottle (c) size of the balloon
6. 6.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
10. 10.🫧 Which of these is a base? (a) tamarind water (b) detergent water (c) curd (d) orange juice
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) size of the balloon
12. 12.📘 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 melting (d) it is only dissolving
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a balloon (d) a comb
14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
15. 15.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
16. 16.⚖️ 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) True (b) False
17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
18. 18.True or false: orange juice is an acid. (a) True (b) False
19. 19.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) salt water (d) detergent water
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a funnel or spoon (c) vinegar (d) a tray for spills
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a tray for spills (d) a battery cell
23. 23.⚖️ 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
24. 24.🫧 Which of these is neutral? (a) plain water (b) tamarind water (c) orange juice (d) vinegar
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a mirror (d) baking soda
27. 27.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) orange juice (d) sugar water
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a mirror (d) a magnet
30. 30.⚖️ 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
31. 31.⚖️ 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
32. 32.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) tamarind water (d) orange juice
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) vinegar (d) a mirror
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) sugar (d) a tray for spills
35. 35.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
36. 36.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
37. 37.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
38. 38.🫧 Which of these is a base? (a) lemon juice (b) vinegar (c) soap solution (d) sugar water
39. 39.True or false: tamarind water is a base. (a) True (b) False
40. 40.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral

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