Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 983 · 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.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they float apart (c) they react (d) they freeze
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 measure it (c) we change it
3. 3.True or false: sugar water is an acid. (a) True (b) False
4. 4.True or false: orange juice is an acid. (a) False (b) True
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
6. 6.⚖️ 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
7. 7.⚖️ 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 same bottle (c) the kind of balloon (d) the amount of vinegar
8. 8.True or false: plain water is a base. (a) True (b) False
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) baking soda (d) a balloon
10. 10.True or false: tamarind water is an acid. (a) True (b) False
11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
12. 12.True or false: baking soda water is an acid. (a) False (b) True
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) sugar (d) vinegar
15. 15.🔍 Which is the odd one out? (a) curd (b) sugar water (c) plain water (d) salt water
16. 16.True or false: curd is neutral. (a) False (b) True
17. 17.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
19. 19.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) soap solution (d) curd
20. 20.🫧 Which of these is neutral? (a) plain water (b) detergent water (c) lemon juice (d) tamarind water
21. 21.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
22. 22.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
23. 23.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) lemon juice (d) salt water
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
27. 27.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) vinegar (d) an empty bottle
29. 29.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
30. 30.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
31. 31.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
32. 32.⚖️ 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 change it (c) we measure it
33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
34. 34.⚖️ 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
35. 35.🫧 Which of these is a base? (a) salt water (b) tamarind water (c) baking soda water (d) sugar water
36. 36.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) orange juice (d) curd
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a magnet (d) vinegar
38. 38.🛟 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
39. 39.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
40. 40.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False

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