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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 567 · 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 keep it the same (b) we change it (c) we measure it
  2. 2.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a mirror (d) a battery cell
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a seed (d) sugar
  5. 5.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  6. 6.True or false: lemon juice is neutral. (a) True (b) False
  7. 7.⚖️ 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
  8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
  9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
  10. 10.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
  11. 11.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  12. 12.🔍 Which is the odd one out? (a) plain water (b) tamarind water (c) salt water (d) sugar water
  13. 13.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) plain water (d) curd
  14. 14.🫧 Which of these is an acid? (a) baking soda water (b) vinegar (c) plain water (d) detergent water
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) baking soda (d) sugar
  16. 16.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
  17. 17.⚖️ 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
  18. 18.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) vinegar (d) curd
  19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) sugar (d) an empty bottle
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) baking soda (d) a magnet
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
  22. 22.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) baking soda (d) a balloon
  25. 25.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) vinegar
  26. 26.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  27. 27.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  28. 28.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  29. 29.⚖️ 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
  30. 30.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  31. 31.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  32. 32.🫧 Which of these is neutral? (a) plain water (b) soap solution (c) baking soda water (d) orange juice
  33. 33.⚖️ 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
  34. 34.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  35. 35.📘 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
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
  37. 37.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
  38. 38.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  39. 39.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  40. 40.True or false: curd is an acid. (a) False (b) True

Answer key

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

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