Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 599 · 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.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
2. 2.⚖️ 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
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
4. 4.⚖️ 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
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) a funnel or spoon (d) vinegar
6. 6.⚖️ 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
7. 7.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
8. 8.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a mirror (d) baking soda
10. 10.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
12. 12.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
13. 13.⚖️ 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
14. 14.⚖️ 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
15. 15.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
16. 16.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) salt water (b) orange juice (c) plain water (d) sugar water
18. 18.⚖️ 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) False (b) True
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a seed (c) sugar (d) a mirror
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a magnet (c) a funnel or spoon (d) a tray for spills
21. 21.True or false: tamarind water is neutral. (a) False (b) True
22. 22.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) baking soda (d) a funnel or spoon
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a tray for spills (d) an empty bottle
25. 25.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
26. 26.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
28. 28.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
29. 29.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
30. 30.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) baking soda (d) a funnel or spoon
32. 32.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) tamarind water
33. 33.True or false: tamarind water is an acid. (a) False (b) True
34. 34.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
35. 35.🫧 Which of these is a base? (a) plain water (b) curd (c) lemon juice (d) baking soda water
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a funnel or spoon (d) sugar
37. 37.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) curd (d) soap solution
38. 38.⚖️ 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
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a seed (d) a comb

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