Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 537 · 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 not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a seed (d) a balloon
2. 2.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) baking soda water (d) plain water
3. 3.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
4. 4.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
7. 7.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
8. 8.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) an empty bottle (d) a tray for spills
9. 9.🔮 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
10. 10.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
11. 11.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
12. 12.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) sugar water (d) baking soda water
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) baking soda (d) a seed
14. 14.🔍 Which is the odd one out? (a) plain water (b) salt water (c) soap solution (d) sugar water
15. 15.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.🫧 Which of these is an acid? (a) lemon juice (b) detergent water (c) soap solution (d) baking soda water
19. 19.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
20. 20.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
21. 21.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
22. 22.True or false: vinegar is a base. (a) True (b) False
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
24. 24.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
25. 25.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) a tray for spills (d) baking soda
27. 27.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) detergent water (d) curd
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) curd (b) soap solution (c) detergent water (d) baking soda water
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
31. 31.🫧 Which of these is a base? (a) plain water (b) tamarind water (c) salt water (d) soap solution
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) an empty bottle (d) a balloon
33. 33.⚖️ 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
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
36. 36.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
37. 37.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a comb (d) a tray for spills
40. 40.True or false: detergent water is an acid. (a) True (b) False

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