Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 225 · 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 comb is not needed for the fizzy balloon. (a) False (b) True
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a funnel or spoon (d) a magnet
3. 3.⚖️ 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 amount of vinegar
4. 4.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) baking soda water (d) detergent water
5. 5.⚖️ 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
6. 6.🫧 Which of these is an acid? (a) detergent water (b) vinegar (c) soap solution (d) salt water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
8. 8.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
9. 9.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) plain water (d) sugar water
11. 11.🔮 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
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) baking soda (d) a tray for spills
13. 13.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.🫧 Which of these is neutral? (a) detergent water (b) salt water (c) orange juice (d) lemon juice
16. 16.True or false: curd is a base. (a) False (b) True
17. 17.⚖️ 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
18. 18.⚖️ 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 change it (c) we keep it the same
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a balloon (d) vinegar
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) sugar (d) vinegar
21. 21.🛟 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
22. 22.🔍 Which is the odd one out? (a) plain water (b) salt water (c) lemon juice (d) sugar water
23. 23.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) baking soda (d) a seed
25. 25.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
26. 26.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
27. 27.🫧 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
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a comb (d) vinegar
29. 29.⚖️ 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 keep it the same (c) we measure it
30. 30.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) a funnel or spoon (d) vinegar
32. 32.🔍 Which is the odd one out? (a) detergent water (b) orange juice (c) soap solution (d) baking soda water
33. 33.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
34. 34.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
35. 35.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) plain water (d) orange juice
36. 36.⚖️ 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 amount of vinegar (c) the same bottle (d) spoons of baking soda
37. 37.True or false: tamarind water is neutral. (a) True (b) False
38. 38.True or false: soap solution is a base. (a) False (b) True
39. 39.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
40. 40.True or false: baking soda water is a base. (a) True (b) False

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