Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 344 · 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.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
2. 2.True or false: baking soda water is a base. (a) False (b) True
3. 3.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
4. 4.🛟 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
5. 5.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
6. 6.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.True or false: curd is a base. (a) True (b) False
8. 8.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
9. 9.🔍 Which is the odd one out? (a) plain water (b) salt water (c) lemon juice (d) sugar water
10. 10.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) detergent water (d) curd
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
12. 12.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
13. 13.True or false: a funnel or spoon is not needed for the fizzy balloon. (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 change it (b) we keep it the same (c) we measure it
15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) put it in your mouth (d) shake it near your face
16. 16.⚖️ 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 kind of balloon (c) the amount of vinegar (d) spoons of baking soda
17. 17.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
18. 18.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) vinegar (d) curd
19. 19.⚖️ 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 same bottle
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) a balloon (d) a funnel or spoon
24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
25. 25.🫧 Which of these is a base? (a) tamarind water (b) sugar water (c) plain water (d) baking soda water
26. 26.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) salt water (d) sugar water
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
29. 29.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) an empty bottle (d) sugar
31. 31.True or false: plain water is neutral. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) baking soda water (d) plain water
33. 33.🫧 Which of these is neutral? (a) baking soda water (b) soap solution (c) tamarind water (d) plain water
34. 34.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) lemon juice (d) soap solution
35. 35.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a funnel or spoon (d) an empty bottle
38. 38.True or false: lemon juice is a base. (a) False (b) True
39. 39.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.⚖️ 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

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