Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 860 · 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 needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a seed (d) a balloon
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
3. 3.📘 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
4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
5. 5.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) vinegar (d) baking soda
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a mirror (c) sugar (d) a magnet
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.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.⚖️ 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 keep it the same (c) we measure it
11. 11.⚖️ 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 change it (c) we keep it the same
12. 12.⚖️ 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
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
14. 14.⚖️ 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
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
17. 17.True or false: vinegar is an acid. (a) False (b) True
18. 18.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) tamarind water (d) plain water
20. 20.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
21. 21.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
22. 22.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
23. 23.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
24. 24.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
25. 25.True or false: detergent water is neutral. (a) True (b) False
26. 26.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
27. 27.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a balloon (d) an empty bottle
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the same bottle (d) the amount of vinegar
30. 30.⚖️ 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 amount of vinegar (c) the kind of balloon (d) the same bottle
31. 31.🫧 Which of these is a base? (a) salt water (b) soap solution (c) orange juice (d) tamarind water
32. 32.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
33. 33.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
34. 34.🫧 Which of these is an acid? (a) sugar water (b) curd (c) baking soda water (d) soap solution
35. 35.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
36. 36.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
37. 37.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
38. 38.🫧 Which of these is neutral? (a) soap solution (b) orange juice (c) plain water (d) tamarind water
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) sugar (d) baking soda
40. 40.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed

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