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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 700 · 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 is the odd one out? (a) sugar water (b) salt water (c) plain water (d) lemon juice
  2. 2.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  3. 3.🫧 Which of these is a base? (a) salt water (b) sugar water (c) tamarind water (d) baking soda water
  4. 4.True or false: lemon juice is an acid. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) orange juice (d) baking soda water
  6. 6.True or false: baking soda water is neutral. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) sugar water (d) salt water
  8. 8.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) plain water (d) sugar water
  9. 9.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
  10. 10.⚖️ 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
  11. 11.🫧 Which of these is neutral? (a) plain water (b) curd (c) detergent water (d) orange juice
  12. 12.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  13. 13.True or false: salt water is a base. (a) True (b) False
  14. 14.🎈 Why does the balloon blow up? (a) vinegar is hot (b) gas is made inside (c) outside air gets in (d) the bottle shrinks
  15. 15.⚖️ 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
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a magnet (d) an empty bottle
  18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
  19. 19.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  20. 20.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) no, nothing changes (d) yes, a new gas forms
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) baking soda (d) an empty bottle
  22. 22.True or false: vinegar is an acid. (a) True (b) False
  23. 23.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  25. 25.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
  27. 27.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
  28. 28.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) vinegar (d) baking soda water
  29. 29.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  30. 30.⚖️ 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) the same bottle (c) size of the balloon (d) spoons of baking soda
  31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a funnel or spoon (d) vinegar
  32. 32.🫧 Which of these is an acid? (a) lemon juice (b) salt water (c) plain water (d) detergent water
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) size of the balloon (c) the same bottle (d) spoons of baking soda
  34. 34.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
  35. 35.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
  36. 36.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  37. 37.True or false: tamarind water is an acid. (a) True (b) False
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
  40. 40.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed

Answer key

  1. lemon juice
  2. needed
  3. baking soda water
  4. True
  5. orange juice
  6. False
  7. baking soda water
  8. orange juice
  9. an ingredient ran out
  10. True
  11. plain water
  12. a base
  13. False
  14. gas is made inside
  15. we change it
  16. True
  17. a magnet
  18. the kind of balloon
  19. neutral
  20. yes, a new gas forms
  21. a seed
  22. True
  23. True
  24. True
  25. an acid
  26. False
  27. lots of fizzy bubbles
  28. vinegar
  29. an acid
  30. spoons of baking soda
  31. a battery cell
  32. lemon juice
  33. size of the balloon
  34. True
  35. rinse with clean water
  36. False
  37. True
  38. we keep it the same
  39. False
  40. needed

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