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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 306 · 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.True or false: lemon juice is a base. (a) False (b) True
  2. 2.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  3. 3.True or false: soap solution is a base. (a) True (b) False
  4. 4.⚖️ 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) spoons of baking soda (c) the same bottle (d) the amount of vinegar
  5. 5.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  6. 6.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
  7. 7.🔍 Which is the odd one out? (a) plain water (b) lemon juice (c) sugar water (d) salt water
  8. 8.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
  9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a tray for spills (d) a comb
  10. 10.🔍 Which is the odd one out? (a) curd (b) sugar water (c) plain water (d) salt water
  11. 11.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) an empty bottle (d) a comb
  13. 13.⚖️ 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 measure it (c) we keep it the same
  14. 14.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a comb (d) a magnet
  16. 16.⚖️ 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
  17. 17.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) hydrogen (d) helium
  19. 19.🔍 Which is the odd one out? (a) sugar water (b) tamarind water (c) vinegar (d) orange juice
  20. 20.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  21. 21.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  22. 22.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
  23. 23.🫧 Which of these is a base? (a) plain water (b) lemon juice (c) baking soda water (d) tamarind water
  24. 24.🫧 Which of these is a base? (a) detergent water (b) lemon juice (c) salt water (d) sugar water
  25. 25.⚖️ 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
  26. 26.🧺 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 battery cell (d) a balloon
  27. 27.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a seed (c) sugar (d) a magnet
  28. 28.🔍 Which is the odd one out? (a) orange juice (b) sugar water (c) salt water (d) plain water
  29. 29.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  30. 30.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
  31. 31.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
  32. 32.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
  33. 33.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) lemon juice (d) plain water
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
  35. 35.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  36. 36.🫧 Which of these is neutral? (a) vinegar (b) soap solution (c) salt water (d) baking soda water
  37. 37.True or false: lemon juice is an acid. (a) False (b) True
  38. 38.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) vinegar (d) baking soda
  40. 40.🔍 Which is the odd one out? (a) curd (b) soap solution (c) orange juice (d) vinegar

Answer key

  1. False
  2. True
  3. True
  4. spoons of baking soda
  5. needed
  6. keep it away from eyes
  7. lemon juice
  8. rinse with clean water
  9. a tray for spills
  10. curd
  11. neutral
  12. a comb
  13. we measure it
  14. an acid
  15. vinegar
  16. False
  17. neutral
  18. carbon dioxide
  19. sugar water
  20. not needed
  21. not needed
  22. very little fizzing
  23. baking soda water
  24. detergent water
  25. True
  26. a battery cell
  27. baking soda
  28. orange juice
  29. True
  30. an ingredient ran out
  31. yes, a new gas forms
  32. they react
  33. plain water
  34. the amount of vinegar
  35. False
  36. salt water
  37. True
  38. an acid
  39. a seed
  40. soap solution

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