Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 174 · 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.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a comb (d) a tray for spills
3. 3.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) curd
4. 4.🛟 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
5. 5.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
6. 6.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) sugar water
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) a balloon (d) a tray for spills
9. 9.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) vinegar (d) plain water
10. 10.True or false: orange juice is an acid. (a) True (b) False
11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they react (d) they freeze
12. 12.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a seed (d) sugar
14. 14.🫧 Which of these is neutral? (a) curd (b) vinegar (c) plain water (d) detergent water
15. 15.⚖️ 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
16. 16.True or false: soap solution is neutral. (a) False (b) True
17. 17.⚖️ 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) True (b) False
18. 18.⚖️ 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 keep it the same (c) we change it
19. 19.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) vinegar (d) a magnet
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a seed (d) a battery cell
22. 22.🫧 Which of these is a base? (a) baking soda water (b) plain water (c) curd (d) orange juice
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) baking soda (d) a seed
24. 24.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
25. 25.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
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 amount of vinegar (c) spoons of baking soda
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
29. 29.⚖️ 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) spoons of baking soda (c) size of the balloon (d) the same bottle
30. 30.True or false: baking soda water is a base. (a) True (b) False
31. 31.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
32. 32.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
33. 33.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
34. 34.⚖️ 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
35. 35.⚖️ 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
36. 36.🫧 Which of these is neutral? (a) tamarind water (b) vinegar (c) salt water (d) baking soda water
37. 37.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) curd (d) soap solution
38. 38.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
39. 39.True or false: tamarind water is neutral. (a) True (b) False
40. 40.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed

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