Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 550 · 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 safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a tray for spills (d) a battery cell
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
5. 5.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) vinegar (d) a comb
7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a tray for spills (d) a magnet
8. 8.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
9. 9.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the amount of vinegar
11. 11.⚖️ 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 amount of vinegar (c) the same bottle (d) spoons of baking soda
12. 12.True or false: tamarind water is neutral. (a) False (b) True
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) baking soda (d) a tray for spills
14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a balloon (c) baking soda (d) an empty bottle
15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a balloon (d) a seed
16. 16.⚖️ 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
17. 17.🔍 Which is the odd one out? (a) soap solution (b) curd (c) detergent water (d) baking soda water
18. 18.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) baking soda water (d) detergent water
19. 19.🧺 Do we need a tray for spills 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 “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.🫧 Which of these is neutral? (a) vinegar (b) detergent water (c) plain water (d) lemon juice
23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) a battery cell (d) an empty bottle
24. 24.True or false: salt water is neutral. (a) True (b) False
25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
26. 26.True or false: curd is a base. (a) True (b) False
27. 27.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
28. 28.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) orange juice (d) plain water
29. 29.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
30. 30.True or false: tamarind water is an acid. (a) False (b) True
31. 31.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
32. 32.⚖️ 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
33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
34. 34.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
35. 35.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
36. 36.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a seed (d) a balloon
38. 38.🫧 Which of these is neutral? (a) lemon juice (b) sugar water (c) curd (d) detergent water
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) vinegar (d) an empty bottle
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) vinegar (c) an empty bottle (d) baking soda

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