Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 707 · 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: tamarind water is an acid. (a) True (b) False
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) an empty bottle (d) a magnet
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a balloon (d) a magnet
4. 4.🫧 Which of these is neutral? (a) plain water (b) detergent water (c) orange juice (d) baking soda water
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
6. 6.⚖️ 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) True (b) False
7. 7.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
8. 8.🔍 Which is the odd one out? (a) vinegar (b) salt water (c) orange juice (d) curd
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a funnel or spoon (d) sugar
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a comb (d) a funnel or spoon
12. 12.🔍 Which is the odd one out? (a) curd (b) soap solution (c) detergent water (d) baking soda water
13. 13.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
14. 14.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
15. 15.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) an empty bottle (d) a seed
17. 17.True or false: sugar water is a base. (a) False (b) True
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a balloon (d) a tray for spills
19. 19.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
20. 20.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
21. 21.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
22. 22.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
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) True (b) False
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
26. 26.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) baking soda (c) a mirror (d) a magnet
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
30. 30.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
31. 31.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
32. 32.⚖️ 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
33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) a funnel or spoon (d) an empty bottle
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
37. 37.🫧 Which of these is a base? (a) vinegar (b) soap solution (c) curd (d) sugar water
38. 38.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) sugar water (d) lemon juice
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
40. 40.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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