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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 339 · 40 questions
TalentJR

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.

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  1. 1.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) baking soda (d) a comb
  2. 2.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  3. 3.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a comb (d) an empty bottle
  5. 5.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a mirror (d) baking soda
  7. 7.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
  9. 9.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
  10. 10.True or false: orange juice is an acid. (a) True (b) False
  11. 11.True or false: curd is a base. (a) True (b) False
  12. 12.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
  14. 14.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) vinegar (d) salt water
  15. 15.⚖️ 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) False (b) True
  16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a funnel or spoon (d) a seed
  17. 17.⚖️ 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
  18. 18.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  19. 19.⚖️ 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
  20. 20.⚖️ 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
  21. 21.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  22. 22.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) plain water (d) sugar water
  24. 24.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  25. 25.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  26. 26.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
  28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) a magnet
  29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) a mirror (d) baking soda
  30. 30.True or false: curd is an acid. (a) False (b) True
  31. 31.⚖️ 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 amount of vinegar
  32. 32.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) plain water (d) sugar water
  33. 33.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  34. 34.⚖️ 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
  35. 35.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  36. 36.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) sugar water (d) lemon juice
  37. 37.⚖️ 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
  38. 38.True or false: baking soda water is neutral. (a) False (b) True
  39. 39.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
  40. 40.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed

Answer key

  1. a comb
  2. False
  3. yes, a new gas forms
  4. a comb
  5. not needed
  6. baking soda
  7. neutral
  8. we keep it the same
  9. an ingredient ran out
  10. True
  11. False
  12. carbon dioxide
  13. spoons of baking soda
  14. salt water
  15. False
  16. a seed
  17. True
  18. a base
  19. True
  20. we keep it the same
  21. not needed
  22. True
  23. soap solution
  24. False
  25. an acid
  26. very little fizzing
  27. the kind of balloon
  28. a magnet
  29. a mirror
  30. True
  31. the amount of vinegar
  32. tamarind water
  33. True
  34. False
  35. needed
  36. sugar water
  37. False
  38. False
  39. they react
  40. not needed

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