Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 626 · 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.🧺 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 magnet
2. 2.⚖️ 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) False (b) True
3. 3.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
4. 4.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
6. 6.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
7. 7.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a seed (d) baking soda
10. 10.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
11. 11.True or false: detergent water is a base. (a) True (b) False
12. 12.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) a funnel or spoon (d) a tray for spills
14. 14.⚖️ 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
15. 15.🔍 Which is the odd one out? (a) orange juice (b) plain water (c) vinegar (d) tamarind water
16. 16.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
17. 17.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) soap solution (d) orange juice
18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
19. 19.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
20. 20.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
21. 21.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) a magnet
23. 23.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) sugar
25. 25.True or false: soap solution is an acid. (a) True (b) False
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) baking soda (d) a mirror
27. 27.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) detergent water (d) soap solution
28. 28.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
29. 29.⚖️ 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 change it (c) we measure it
30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
31. 31.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
32. 32.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) an empty bottle (d) a battery cell
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a comb (d) a battery cell
35. 35.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.True or false: curd is neutral. (a) False (b) True
39. 39.True or false: sugar water is neutral. (a) False (b) True
40. 40.True or false: soap solution is neutral. (a) True (b) False

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