Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 308 · 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.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
2. 2.⚖️ 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 measure it (c) we change it
3. 3.True or false: plain water is an acid. (a) True (b) False
4. 4.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
5. 5.⚖️ 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 kind of balloon (c) size of the balloon (d) spoons of baking soda
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) a funnel or spoon (d) vinegar
8. 8.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
9. 9.🫧 Which of these is neutral? (a) sugar water (b) baking soda water (c) vinegar (d) tamarind water
10. 10.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) detergent water (d) plain water
11. 11.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) sugar (d) a mirror
13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a magnet (d) a tray for spills
14. 14.🫧 Which of these is a base? (a) salt water (b) vinegar (c) tamarind water (d) soap solution
15. 15.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
16. 16.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the same bottle
18. 18.True or false: tamarind water is an acid. (a) False (b) True
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
23. 23.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) vinegar (d) baking soda water
24. 24.⚖️ 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 change it (c) we measure it
25. 25.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
27. 27.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a comb (d) a funnel or spoon
29. 29.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) plain water (d) vinegar
30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) vinegar (d) a funnel or spoon
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a seed (c) a tray for spills (d) baking soda
32. 32.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
34. 34.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) baking soda water
35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
37. 37.⚖️ 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 measure it (c) we change it
38. 38.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
39. 39.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) baking soda (d) a magnet

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