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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 660 · 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.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  2. 2.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
  3. 3.⚖️ 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
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a funnel or spoon (d) a mirror
  5. 5.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  6. 6.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) the bottle shrinks (d) vinegar is hot
  7. 7.🛟 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
  8. 8.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) tamarind water (d) plain water
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
  10. 10.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  11. 11.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  12. 12.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) salt water (d) plain water
  14. 14.🫧 Which of these is an acid? (a) salt water (b) lemon juice (c) sugar water (d) baking soda water
  15. 15.True or false: curd is a base. (a) False (b) True
  16. 16.⚖️ 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
  17. 17.True or false: detergent water is a base. (a) False (b) True
  18. 18.⚖️ 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
  19. 19.True or false: sugar water is a base. (a) True (b) False
  20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) an empty bottle (d) a comb
  21. 21.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) sugar water (d) salt water
  22. 22.⚖️ 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) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
  23. 23.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  24. 24.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  25. 25.⚖️ 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) True (b) False
  26. 26.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  27. 27.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
  28. 28.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  29. 29.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only melting (d) it is only dissolving
  30. 30.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  31. 31.🫧 Which of these is an acid? (a) curd (b) sugar water (c) salt water (d) plain water
  32. 32.🧺 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 funnel or spoon
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  34. 34.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  35. 35.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  36. 36.True or false: soap solution is neutral. (a) True (b) False
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
  39. 39.🫧 Which of these is a base? (a) curd (b) lemon juice (c) plain water (d) soap solution
  40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False

Answer key

  1. not needed
  2. they react
  3. False
  4. a mirror
  5. needed
  6. gas is made inside
  7. rinse with clean water
  8. baking soda water
  9. the same bottle
  10. False
  11. a base
  12. False
  13. detergent water
  14. lemon juice
  15. False
  16. we change it
  17. True
  18. True
  19. False
  20. an empty bottle
  21. orange juice
  22. spoons of baking soda
  23. an acid
  24. needed
  25. False
  26. False
  27. carbon dioxide
  28. False
  29. yes, a new gas forms
  30. True
  31. curd
  32. a seed
  33. True
  34. False
  35. False
  36. False
  37. False
  38. False
  39. soap solution
  40. False

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