Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 853 · 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.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
2. 2.⚖️ 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
3. 3.🔍 Which is the odd one out? (a) curd (b) baking soda water (c) lemon juice (d) orange juice
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
6. 6.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
7. 7.⚖️ 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
8. 8.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) vinegar
10. 10.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
12. 12.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
13. 13.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
14. 14.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
17. 17.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
18. 18.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
20. 20.⚖️ 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
21. 21.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) vinegar (d) plain water
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a comb (d) an empty bottle
23. 23.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a mirror (d) a balloon
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a mirror (c) a funnel or spoon (d) vinegar
26. 26.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) vinegar (d) salt water
27. 27.⚖️ 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 keep it the same (c) we measure it
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) an empty bottle (d) a funnel or spoon
29. 29.True or false: lemon juice is a base. (a) True (b) False
30. 30.🔮 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
31. 31.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) plain water (d) sugar water
33. 33.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) vinegar (d) salt water
34. 34.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
35. 35.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
36. 36.True or false: detergent water is neutral. (a) True (b) False
37. 37.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) oxygen (d) hydrogen
38. 38.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
39. 39.🫧 Which of these is neutral? (a) baking soda water (b) detergent water (c) salt water (d) curd
40. 40.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False

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