Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 143 · 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 needed for the fizzy balloon? (a) a mirror (b) sugar (c) a tray for spills (d) a comb
2. 2.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a balloon (d) a magnet
4. 4.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
5. 5.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
6. 6.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) the same bottle (d) spoons of baking soda
8. 8.True or false: lemon juice is an acid. (a) False (b) True
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) sugar (d) a balloon
10. 10.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) soap solution (d) orange juice
11. 11.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
12. 12.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
13. 13.⚖️ 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
14. 14.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) plain water (d) detergent water
15. 15.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) soap solution (d) baking soda water
16. 16.True or false: vinegar is a base. (a) False (b) True
17. 17.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) curd (b) vinegar (c) orange juice (d) plain water
19. 19.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
20. 20.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) soap solution (d) lemon juice
21. 21.⚖️ 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
22. 22.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
23. 23.⚖️ 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
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) an empty bottle (d) a magnet
25. 25.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
27. 27.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) vinegar (d) a tray for spills
29. 29.🛟 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
30. 30.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a mirror (d) a funnel or spoon
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a battery cell
33. 33.True or false: detergent water is a base. (a) False (b) True
34. 34.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
35. 35.True or false: vinegar is neutral. (a) False (b) True
36. 36.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) plain water (d) salt water
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
39. 39.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
40. 40.⚖️ 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

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