Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 346 · 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.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) an empty bottle (d) a seed
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) baking soda (c) a balloon (d) vinegar
5. 5.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) detergent water (d) soap solution
6. 6.True or false: curd is a base. (a) True (b) False
7. 7.⚖️ 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
8. 8.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
9. 9.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) detergent water (d) baking soda water
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
11. 11.True or false: sugar water is neutral. (a) True (b) False
12. 12.⚖️ 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) True (b) False
13. 13.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
14. 14.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a mirror
16. 16.⚖️ 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
17. 17.🫧 Which of these is a base? (a) baking soda water (b) orange juice (c) vinegar (d) lemon juice
18. 18.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
19. 19.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
20. 20.🛟 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
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a seed (c) a magnet (d) a comb
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) baking soda (d) a magnet
25. 25.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
26. 26.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
27. 27.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
28. 28.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
29. 29.🫧 Which of these is neutral? (a) lemon juice (b) orange juice (c) plain water (d) baking soda water
30. 30.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) sugar water (d) salt water
31. 31.⚖️ 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 same bottle (d) the amount of vinegar
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) baking soda (d) a magnet
33. 33.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a battery cell (d) a funnel or spoon
35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) baking soda (d) a mirror
37. 37.True or false: salt water is a base. (a) True (b) False
38. 38.🔮 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
39. 39.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
40. 40.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids