Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 882 · 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.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
2. 2.⚖️ 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
3. 3.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
4. 4.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) orange juice (d) soap solution
5. 5.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
7. 7.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
8. 8.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
10. 10.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
12. 12.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
14. 14.⚖️ 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 keep it the same (c) we change it
15. 15.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a balloon (d) baking soda
17. 17.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) sugar water (d) salt water
18. 18.⚖️ 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
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
21. 21.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
22. 22.True or false: soap solution is a base. (a) False (b) True
23. 23.True or false: lemon juice is neutral. (a) True (b) False
24. 24.⚖️ 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
25. 25.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
27. 27.⚖️ 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
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a mirror (d) baking soda
29. 29.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
30. 30.🔍 Which is the odd one out? (a) detergent water (b) vinegar (c) tamarind water (d) orange juice
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
32. 32.🫧 Which of these is neutral? (a) tamarind water (b) soap solution (c) salt water (d) vinegar
33. 33.🛟 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
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a magnet (d) a tray for spills
35. 35.⚖️ 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 same bottle
36. 36.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
37. 37.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
38. 38.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a mirror (d) baking soda
40. 40.⚖️ 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) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar

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