Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 634 · 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.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
2. 2.True or false: vinegar is a base. (a) False (b) True
3. 3.🫧 Which of these is an acid? (a) lemon juice (b) soap solution (c) baking soda water (d) detergent water
4. 4.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) detergent water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
8. 8.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) a comb (d) an empty bottle
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
12. 12.True or false: baking soda water is a base. (a) False (b) True
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
14. 14.🫧 Which of these is a base? (a) detergent water (b) sugar water (c) salt water (d) orange juice
15. 15.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) a tray for spills
17. 17.⚖️ 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) the kind of balloon (c) spoons of baking soda (d) the amount of vinegar
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a seed (d) a magnet
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) an empty bottle (c) baking soda (d) a tray for spills
20. 20.⚖️ 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 measure it (c) we change it
21. 21.🫧 Which of these is neutral? (a) soap solution (b) curd (c) salt water (d) baking soda water
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
23. 23.True or false: curd is an acid. (a) True (b) False
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) a magnet
25. 25.⚖️ 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 change it (c) we keep it the same
26. 26.⚖️ 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 change it (c) we keep it the same
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) baking soda (d) a tray for spills
28. 28.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only melting (c) it is only dissolving (d) no, nothing changes
29. 29.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
30. 30.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
31. 31.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
32. 32.🔮 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 grows bigger (d) it shrinks
33. 33.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
34. 34.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
36. 36.🛟 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
37. 37.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
39. 39.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
40. 40.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium

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