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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 701 · 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 of these is an acid? (a) salt water (b) lemon juice (c) plain water (d) sugar water
  2. 2.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  3. 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
  4. 4.🫧 Which of these is a base? (a) orange juice (b) salt water (c) soap solution (d) plain water
  5. 5.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
  6. 6.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) plain water (d) tamarind water
  7. 7.True or false: detergent water is neutral. (a) False (b) True
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
  9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) an empty bottle (d) vinegar
  10. 10.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
  12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  13. 13.📘 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
  14. 14.⚖️ 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) size of the balloon (d) the kind of balloon
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) a magnet (d) a mirror
  16. 16.📘 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
  17. 17.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  18. 18.True or false: plain water is neutral. (a) True (b) False
  19. 19.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) vinegar (d) a magnet
  20. 20.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a balloon (c) a tray for spills (d) baking soda
  22. 22.⚖️ 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
  23. 23.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
  25. 25.True or false: vinegar is neutral. (a) False (b) True
  26. 26.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
  27. 27.🫧 Which of these is neutral? (a) salt water (b) lemon juice (c) curd (d) vinegar
  28. 28.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  29. 29.⚖️ 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 kind of balloon (c) size of the balloon
  30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) an empty bottle (d) baking soda
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a seed (d) baking soda
  32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) baking soda (d) a battery cell
  33. 33.True or false: tamarind water is an acid. (a) False (b) True
  34. 34.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  35. 35.⚖️ 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
  36. 36.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  37. 37.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) baking soda (d) a balloon
  39. 39.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) salt water (d) sugar water
  40. 40.True or false: lemon juice is a base. (a) True (b) False

Answer key

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

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