Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 11 · 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 not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a magnet
2. 2.🫧 Which of these is neutral? (a) sugar water (b) tamarind water (c) lemon juice (d) orange juice
3. 3.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
4. 4.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
6. 6.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
7. 7.⚖️ 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
8. 8.⚖️ 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 kind of balloon
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a seed (d) sugar
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a magnet (d) a tray for spills
11. 11.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
12. 12.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
13. 13.🛟 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
14. 14.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) an empty bottle (d) vinegar
16. 16.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) vinegar (d) sugar
19. 19.📘 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
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a battery cell (d) an empty bottle
21. 21.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
22. 22.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
23. 23.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
24. 24.True or false: vinegar is an acid. (a) False (b) True
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) size of the balloon (d) the same bottle
26. 26.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
27. 27.True or false: salt water is an acid. (a) True (b) False
28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
29. 29.⚖️ 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
30. 30.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) tamarind water (d) salt water
31. 31.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
32. 32.True or false: curd is neutral. (a) False (b) True
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
34. 34.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) curd
35. 35.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
38. 38.⚖️ 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) False (b) True
39. 39.⚖️ 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
40. 40.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles

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