Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 437 · 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 needed for the fizzy balloon? (a) a seed (b) a magnet (c) a funnel or spoon (d) a battery cell
2. 2.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) vinegar (c) sugar (d) a magnet
4. 4.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
5. 5.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
6. 6.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
7. 7.⚖️ 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
8. 8.⚖️ 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 amount of vinegar (c) size of the balloon (d) the same bottle
9. 9.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
10. 10.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) carbon dioxide (d) hydrogen
11. 11.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) soap solution (d) detergent water
12. 12.True or false: soap solution is a base. (a) False (b) True
13. 13.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
15. 15.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
16. 16.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) sugar water (d) salt water
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a magnet (d) a balloon
18. 18.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
19. 19.True or false: baking soda water is neutral. (a) True (b) False
20. 20.🔮 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
21. 21.⚖️ 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 change it (c) we measure it
22. 22.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
23. 23.🫧 Which of these is a base? (a) salt water (b) baking soda water (c) sugar water (d) lemon juice
24. 24.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
25. 25.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 Which of these is neutral? (a) sugar water (b) detergent water (c) tamarind water (d) vinegar
27. 27.⚖️ 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) spoons of baking soda (c) the same bottle (d) the kind of balloon
28. 28.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) sugar (d) baking soda
30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) baking soda (d) a tray for spills
31. 31.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
32. 32.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
33. 33.True or false: sugar water is a base. (a) False (b) True
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a tray for spills (d) a seed
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.🫧 Which of these is neutral? (a) orange juice (b) soap solution (c) tamarind water (d) salt water
37. 37.🫧 Which of these is a base? (a) orange juice (b) vinegar (c) curd (d) detergent water
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) baking soda (d) a balloon
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a funnel or spoon (d) a magnet

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