Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 241 · 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 vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
2. 2.⚖️ 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) True (b) False
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a seed (d) a magnet
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a funnel or spoon (d) a magnet
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
7. 7.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) lemon juice (d) detergent water
8. 8.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
10. 10.🔍 Which is the odd one out? (a) salt water (b) orange juice (c) lemon juice (d) curd
11. 11.True or false: salt water is an acid. (a) True (b) False
12. 12.🫧 Which of these is neutral? (a) detergent water (b) sugar water (c) orange juice (d) vinegar
13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they react (d) they float apart
14. 14.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
15. 15.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a tray for spills (c) an empty bottle (d) a balloon
19. 19.🫧 Which of these is a base? (a) vinegar (b) sugar water (c) detergent water (d) curd
20. 20.🛟 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
21. 21.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
22. 22.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
23. 23.🫧 Which of these is a base? (a) lemon juice (b) baking soda water (c) tamarind water (d) plain water
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a comb
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.True or false: tamarind water is an acid. (a) False (b) True
28. 28.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
29. 29.True or false: sugar water is neutral. (a) False (b) True
30. 30.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) a funnel or spoon (d) an empty bottle
32. 32.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
33. 33.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
34. 34.True or false: plain water is neutral. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) soap solution (d) lemon juice
36. 36.📘 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 melting (d) it is only dissolving
37. 37.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
38. 38.🧺 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) a battery cell (d) vinegar
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar (d) the same bottle
40. 40.⚖️ 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

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