Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 914 · 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.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
2. 2.True or false: soap solution is a base. (a) False (b) True
3. 3.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) salt water (d) plain water
4. 4.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 Which of these is neutral? (a) salt water (b) soap solution (c) lemon juice (d) baking soda water
6. 6.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
7. 7.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
8. 8.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
11. 11.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
12. 12.🔍 Which is the odd one out? (a) curd (b) vinegar (c) orange juice (d) salt water
13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
14. 14.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a magnet
18. 18.🫧 Which of these is neutral? (a) tamarind water (b) lemon juice (c) detergent water (d) sugar water
19. 19.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a tray for spills (c) baking soda (d) a funnel or spoon
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) an empty bottle (d) a balloon
23. 23.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
24. 24.True or false: vinegar is an acid. (a) True (b) False
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) the same bottle
26. 26.⚖️ 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
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) a magnet (d) an empty bottle
28. 28.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) sugar water (d) curd
29. 29.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
30. 30.True or false: baking soda water is an acid. (a) True (b) False
31. 31.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a magnet (d) an empty bottle
33. 33.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
34. 34.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) tamarind water
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the same bottle
37. 37.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) curd (d) soap solution
38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
39. 39.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
40. 40.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face

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