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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 238 · 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? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
  2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
  3. 3.True or false: orange juice is an acid. (a) False (b) True
  4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a funnel or spoon (d) vinegar
  5. 5.⚖️ 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
  6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a mirror (d) a tray for spills
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) baking soda (d) vinegar
  8. 8.🫧 Which of these is neutral? (a) detergent water (b) soap solution (c) tamarind water (d) salt water
  9. 9.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  10. 10.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
  11. 11.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the amount of vinegar
  13. 13.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) tamarind water (d) lemon juice
  14. 14.🔍 Which is the odd one out? (a) detergent water (b) vinegar (c) baking soda water (d) soap solution
  15. 15.True or false: lemon juice is an acid. (a) False (b) True
  16. 16.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  17. 17.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  18. 18.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
  19. 19.True or false: salt water is neutral. (a) True (b) False
  20. 20.⚖️ 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
  21. 21.🫧 Which of these is neutral? (a) curd (b) baking soda water (c) orange juice (d) sugar water
  22. 22.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) a tray for spills
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
  25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) sugar (d) baking soda
  26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a seed (d) a balloon
  27. 27.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) orange juice (d) detergent water
  28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
  29. 29.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  30. 30.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  31. 31.True or false: sugar water is a base. (a) True (b) False
  32. 32.True or false: detergent water is neutral. (a) False (b) True
  33. 33.True or false: tamarind water is a base. (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 measure it (b) we change it (c) we keep it the same
  35. 35.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  36. 36.True or false: baking soda water is an acid. (a) True (b) False
  37. 37.🫧 Which of these is neutral? (a) lemon juice (b) orange juice (c) plain water (d) curd
  38. 38.🫧 Which of these is a base? (a) vinegar (b) lemon juice (c) salt water (d) baking soda water
  39. 39.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) plain water (d) baking soda water
  40. 40.🔍 Which is the odd one out? (a) curd (b) orange juice (c) salt water (d) vinegar

Answer key

  1. we keep it the same
  2. carbon dioxide
  3. True
  4. a seed
  5. the kind of balloon
  6. a mirror
  7. sugar
  8. salt water
  9. an acid
  10. an ingredient ran out
  11. lots of fizzy bubbles
  12. spoons of baking soda
  13. baking soda water
  14. vinegar
  15. True
  16. an acid
  17. False
  18. gas is made inside
  19. True
  20. True
  21. sugar water
  22. an acid
  23. a tray for spills
  24. False
  25. baking soda
  26. a balloon
  27. detergent water
  28. they react
  29. False
  30. rinse with clean water
  31. False
  32. False
  33. False
  34. we keep it the same
  35. False
  36. False
  37. plain water
  38. baking soda water
  39. plain water
  40. salt water

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