Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 738 · 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? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the same bottle
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
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) False (b) True
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a magnet (d) sugar
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a mirror (c) a funnel or spoon (d) a balloon
11. 11.⚖️ 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
12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) a comb (d) sugar
14. 14.🔮 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
15. 15.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
16. 16.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a seed (d) vinegar
19. 19.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) detergent water (d) plain water
20. 20.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) baking soda (d) a balloon
22. 22.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
23. 23.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) plain water
24. 24.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) tamarind water (d) salt water
26. 26.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
27. 27.🫧 Which of these is a base? (a) orange juice (b) salt water (c) baking soda water (d) curd
28. 28.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) tamarind water (d) plain water
29. 29.🫧 Which of these is an acid? (a) detergent water (b) tamarind water (c) plain water (d) salt water
30. 30.⚖️ 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
31. 31.⚖️ 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
32. 32.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
33. 33.⚖️ 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
34. 34.⚖️ 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 same bottle
35. 35.🫧 Which of these is an acid? (a) salt water (b) lemon juice (c) baking soda water (d) soap solution
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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) an empty bottle (d) a seed
38. 38.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
39. 39.True or false: soap solution is neutral. (a) False (b) True
40. 40.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed

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