Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 837 · 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.⚖️ 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
2. 2.True or false: baking soda water is a base. (a) False (b) True
3. 3.⚖️ 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
4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
5. 5.True or false: orange juice is a base. (a) False (b) True
6. 6.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
7. 7.⚖️ 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
8. 8.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
9. 9.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
10. 10.⚖️ 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 change it (c) we keep it the same
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) an empty bottle (c) a funnel or spoon (d) vinegar
12. 12.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
13. 13.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
14. 14.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
16. 16.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
17. 17.True or false: salt water is a base. (a) True (b) False
18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a battery cell (d) a seed
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a tray for spills (d) a magnet
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
22. 22.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a tray for spills (d) a seed
24. 24.⚖️ 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
25. 25.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
26. 26.⚖️ 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 same bottle (c) spoons of baking soda
27. 27.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) detergent water (d) tamarind water
28. 28.🔍 Which is the odd one out? (a) vinegar (b) curd (c) orange juice (d) salt water
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a seed (d) an empty bottle
30. 30.⚖️ 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
31. 31.🧺 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) an empty bottle
32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a seed (d) a battery cell
33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) sugar
34. 34.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a tray for spills (d) a mirror
38. 38.True or false: lemon juice is a base. (a) True (b) False
39. 39.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
40. 40.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) baking soda water (d) sugar water

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