Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 743 · 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 soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
2. 2.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) sugar water (d) salt water
3. 3.🫧 Which of these is an acid? (a) detergent water (b) lemon juice (c) soap solution (d) baking soda water
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a balloon (d) a magnet
5. 5.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) sugar water
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a tray for spills (c) a mirror (d) vinegar
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) the amount of vinegar (c) spoons of baking soda
9. 9.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
10. 10.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a magnet (d) a balloon
12. 12.🫧 Which of these is a base? (a) soap solution (b) plain water (c) tamarind water (d) orange juice
13. 13.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) detergent water (d) salt water
14. 14.⚖️ 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 change it (c) we measure it
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
17. 17.True or false: lemon juice is neutral. (a) False (b) True
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a magnet (d) baking soda
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a comb (d) an empty bottle
20. 20.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
21. 21.⚖️ 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 measure it (c) we keep it the same
22. 22.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
23. 23.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
24. 24.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
25. 25.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
26. 26.🫧 Which of these is a base? (a) salt water (b) curd (c) lemon juice (d) baking soda water
27. 27.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) size of the balloon (d) the amount of vinegar
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) vinegar (c) baking soda (d) a funnel or spoon
32. 32.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a battery cell (c) a balloon (d) a funnel or spoon
34. 34.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
35. 35.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
36. 36.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
37. 37.True or false: sugar water is neutral. (a) False (b) True
38. 38.⚖️ 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
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a funnel or spoon (c) vinegar (d) sugar
40. 40.True or false: a seed is needed for the fizzy balloon. (a) True (b) False

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