Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 657 · 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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a mirror (d) baking soda
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a seed (d) an empty bottle
4. 4.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) orange juice (d) baking soda water
5. 5.🫧 Which of these is a base? (a) sugar water (b) lemon juice (c) detergent water (d) vinegar
6. 6.🔍 Which is the odd one out? (a) sugar water (b) curd (c) plain water (d) salt water
7. 7.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
8. 8.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
9. 9.🔍 Which is the odd one out? (a) detergent water (b) tamarind water (c) lemon juice (d) orange juice
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
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 kind of balloon (c) size of the balloon (d) the same bottle
12. 12.🫧 Which of these is a base? (a) tamarind water (b) curd (c) baking soda water (d) orange juice
13. 13.🫧 Which of these is neutral? (a) detergent water (b) vinegar (c) sugar water (d) orange juice
14. 14.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) a tray for spills (d) baking soda
16. 16.⚖️ 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
17. 17.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
18. 18.⚖️ 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
19. 19.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
20. 20.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) vinegar
21. 21.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
22. 22.📘 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
23. 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
24. 24.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
25. 25.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) detergent water (d) baking soda water
28. 28.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.True or false: salt water is an acid. (a) False (b) True
32. 32.🫧 Which of these is neutral? (a) soap solution (b) baking soda water (c) plain water (d) orange juice
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
34. 34.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) sugar (d) a tray for spills
36. 36.🫧 Which of these is neutral? (a) lemon juice (b) tamarind water (c) soap solution (d) salt water
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a balloon (d) an empty bottle
38. 38.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) detergent water (d) baking soda water
39. 39.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
40. 40.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False

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