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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 116 · 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.⚖️ 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
  2. 2.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) baking soda water (d) detergent water
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a comb (c) sugar (d) a magnet
  5. 5.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) orange juice (d) sugar water
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
  7. 7.True or false: salt water is a base. (a) True (b) False
  8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
  9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a balloon (d) a battery cell
  10. 10.True or false: vinegar is neutral. (a) True (b) False
  11. 11.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) soap solution (d) detergent water
  12. 12.⚖️ 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
  13. 13.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a magnet (c) a funnel or spoon (d) an empty bottle
  15. 15.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) vinegar (d) baking soda water
  16. 16.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) vinegar
  17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
  18. 18.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
  19. 19.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) baking soda (d) a mirror
  20. 20.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  21. 21.🫧 Which of these is neutral? (a) plain water (b) curd (c) lemon juice (d) orange juice
  22. 22.🔍 Which is the odd one out? (a) lemon juice (b) detergent water (c) vinegar (d) curd
  23. 23.True or false: curd is an acid. (a) False (b) True
  24. 24.True or false: soap solution is a base. (a) True (b) False
  25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) vinegar (d) a funnel or spoon
  26. 26.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  27. 27.⚖️ 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 change it (c) we keep it the same
  28. 28.⚖️ 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
  29. 29.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) helium (d) carbon dioxide
  30. 30.⚖️ 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
  31. 31.True or false: tamarind water is a base. (a) True (b) False
  32. 32.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) the bottle shrinks (d) outside air gets in
  33. 33.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
  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.⚖️ 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
  36. 36.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  37. 37.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) detergent water (d) soap solution
  38. 38.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  39. 39.⚖️ 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 keep it the same (c) we measure it
  40. 40.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed

Answer key

  1. the same bottle
  2. salt water
  3. size of the balloon
  4. a funnel or spoon
  5. orange juice
  6. we keep it the same
  7. False
  8. very little fizzing
  9. a battery cell
  10. False
  11. curd
  12. we keep it the same
  13. a base
  14. a magnet
  15. vinegar
  16. vinegar
  17. it grows bigger
  18. True
  19. baking soda
  20. needed
  21. plain water
  22. detergent water
  23. True
  24. True
  25. a seed
  26. needed
  27. we change it
  28. False
  29. carbon dioxide
  30. True
  31. False
  32. gas is made inside
  33. an ingredient ran out
  34. False
  35. False
  36. needed
  37. sugar water
  38. False
  39. we measure it
  40. not needed

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