Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 216 · 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 comb (b) a balloon (c) a tray for spills (d) an empty bottle
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a funnel or spoon (d) a mirror
3. 3.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) sugar water (d) vinegar
4. 4.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) sugar water (d) orange juice
5. 5.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) plain water (d) curd
6. 6.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
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.🫧 Which of these is neutral? (a) baking soda water (b) tamarind water (c) salt water (d) soap solution
9. 9.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
10. 10.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) baking soda (d) a magnet
13. 13.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) salt water (d) lemon juice
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) size of the balloon
15. 15.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
17. 17.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen
18. 18.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
19. 19.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
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 change it (c) we measure it
21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a balloon (d) a mirror
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.🫧 Which of these is neutral? (a) sugar water (b) tamarind water (c) detergent water (d) baking soda water
24. 24.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
25. 25.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
26. 26.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
28. 28.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) sugar (d) a balloon
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a battery cell (d) a funnel or spoon
31. 31.True or false: tamarind water is neutral. (a) False (b) True
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) vinegar (d) a seed
33. 33.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they freeze (d) they become magnets
34. 34.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) baking soda (d) a magnet
36. 36.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
37. 37.True or false: soap solution is an acid. (a) False (b) True
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) a funnel or spoon (d) a balloon
40. 40.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed

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