Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 398 · 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.⚖️ 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 change it (c) we keep it the same
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a battery cell
3. 3.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
5. 5.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) curd (d) baking soda water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a tray for spills (d) a funnel or spoon
9. 9.⚖️ 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
10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
11. 11.🧺 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) sugar
12. 12.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
13. 13.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
14. 14.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
15. 15.True or false: salt water is neutral. (a) False (b) True
16. 16.True or false: detergent water is neutral. (a) False (b) True
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) a tray for spills (d) an empty bottle
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a funnel or spoon (d) a comb
21. 21.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
22. 22.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
23. 23.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
24. 24.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
25. 25.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
26. 26.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
27. 27.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) lemon juice (d) vinegar
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the same bottle (d) the kind of balloon
29. 29.🔍 Which is the odd one out? (a) tamarind water (b) baking soda water (c) detergent water (d) soap solution
30. 30.🧺 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) a seed (d) an empty bottle
31. 31.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a battery cell (d) baking soda
33. 33.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) plain water
34. 34.⚖️ 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
35. 35.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
37. 37.🫧 Which of these is a base? (a) tamarind water (b) sugar water (c) curd (d) detergent water
38. 38.🫧 Which of these is a base? (a) soap solution (b) plain water (c) tamarind water (d) curd
39. 39.True or false: sugar water is a base. (a) True (b) False
40. 40.True or false: a seed is needed for the fizzy balloon. (a) False (b) True

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