Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 363 · 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 safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
2. 2.⚖️ 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 measure it (c) we change it
3. 3.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) it glows in the dark (d) nothing at all
4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
5. 5.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
6. 6.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
7. 7.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
8. 8.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they become magnets (d) they freeze
9. 9.🔮 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
10. 10.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
11. 11.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
13. 13.⚖️ 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 same bottle
14. 14.⚖️ 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 keep it the same (c) we measure it
15. 15.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
16. 16.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) lemon juice (d) curd
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
20. 20.🫧 Which of these is an acid? (a) tamarind water (b) plain water (c) salt water (d) baking soda water
21. 21.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) a funnel or spoon (d) an empty bottle
25. 25.⚖️ 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
26. 26.True or false: tamarind water is a base. (a) False (b) True
27. 27.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
28. 28.⚖️ 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
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a comb (d) a tray for spills
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) vinegar (d) a funnel or spoon
31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) vinegar (d) a magnet
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) an empty bottle (d) a battery cell
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a balloon (d) an empty bottle
34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) a balloon (d) a funnel or spoon
36. 36.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
37. 37.⚖️ 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
38. 38.🫧 Which of these is a base? (a) curd (b) baking soda water (c) sugar water (d) orange juice
39. 39.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
40. 40.True or false: a seed is needed for the fizzy balloon. (a) False (b) True

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