Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 690 · 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 not needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) vinegar (d) a balloon
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a mirror (d) a funnel or spoon
4. 4.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
5. 5.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) size of the balloon
7. 7.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
8. 8.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
10. 10.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) tamarind water
11. 11.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) lemon juice (d) plain water
14. 14.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) vinegar (d) a magnet
17. 17.⚖️ 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
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
19. 19.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
20. 20.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
21. 21.True or false: soap solution is an acid. (a) True (b) False
22. 22.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a seed
24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a battery cell (d) a comb
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) baking soda (d) a comb
26. 26.⚖️ 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
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
28. 28.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
29. 29.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) an empty bottle (d) baking soda
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
32. 32.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
33. 33.True or false: baking soda water is a base. (a) True (b) False
34. 34.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
36. 36.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a seed (d) baking soda
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
39. 39.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) sugar water (d) vinegar
40. 40.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed

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