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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 301 · 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 “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
  3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a tray for spills (c) baking soda (d) a balloon
  4. 4.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
  5. 5.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a balloon (c) a comb (d) a seed
  6. 6.True or false: detergent water is a base. (a) False (b) True
  7. 7.True or false: salt water is a base. (a) True (b) False
  8. 8.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) tamarind water
  10. 10.🫧 Which of these is an acid? (a) vinegar (b) detergent water (c) soap solution (d) baking soda water
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a magnet (d) baking soda
  12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) vinegar
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  14. 14.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  15. 15.⚖️ 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
  16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a magnet (d) a seed
  17. 17.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) the gas froze (d) an ingredient ran out
  18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) the kind of balloon (d) the same bottle
  19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
  20. 20.🔍 Which is the odd one out? (a) orange juice (b) detergent water (c) curd (d) tamarind water
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a seed (d) baking soda
  22. 22.🫧 Which of these is a base? (a) sugar water (b) plain water (c) tamarind water (d) baking soda water
  23. 23.True or false: plain water is an acid. (a) False (b) True
  24. 24.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
  25. 25.True or false: curd is an acid. (a) True (b) False
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) baking soda (d) a mirror
  27. 27.True or false: vinegar is an acid. (a) True (b) False
  28. 28.True or false: lemon juice is an acid. (a) False (b) True
  29. 29.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
  30. 30.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  31. 31.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  32. 32.True or false: curd is a base. (a) True (b) False
  33. 33.⚖️ 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
  34. 34.True or false: curd is neutral. (a) True (b) False
  35. 35.True or false: salt water is an acid. (a) True (b) False
  36. 36.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  37. 37.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) detergent water (d) baking soda water
  38. 38.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a funnel or spoon (c) baking soda (d) a tray for spills
  40. 40.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) sugar water (d) salt water

Answer key

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

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