Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 728 · 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 kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
2. 2.⚖️ 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
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
4. 4.⚖️ 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) False (b) True
5. 5.🔍 Which is the odd one out? (a) plain water (b) detergent water (c) salt water (d) sugar water
6. 6.🫧 Which of these is a base? (a) soap solution (b) lemon juice (c) curd (d) salt water
7. 7.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the same bottle
10. 10.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) a tray for spills (d) an empty bottle
12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
13. 13.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
14. 14.🫧 Which of these is an acid? (a) lemon juice (b) sugar water (c) soap solution (d) plain water
15. 15.⚖️ 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 measure it (c) we change it
16. 16.🫧 Which of these is an acid? (a) curd (b) plain water (c) salt water (d) sugar water
17. 17.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
18. 18.⚖️ 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
19. 19.True or false: sugar water is neutral. (a) True (b) False
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) spoons of baking soda (d) the kind of balloon
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
22. 22.True or false: soap solution is an acid. (a) True (b) False
23. 23.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) plain water (d) orange juice
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a balloon (c) baking soda (d) vinegar
25. 25.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) baking soda water (d) orange juice
26. 26.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
27. 27.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: baking soda water is a base. (a) False (b) True
29. 29.⚖️ 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
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) a funnel or spoon (d) a seed
31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
32. 32.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) sugar water (d) tamarind water
33. 33.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) plain water
34. 34.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
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 measure it (c) we keep it the same
36. 36.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
37. 37.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
38. 38.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) baking soda (d) a comb
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) a balloon (d) a battery cell

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