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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 227 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
  2. 2.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
  3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a magnet (d) a balloon
  5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) vinegar (d) a battery cell
  6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
  7. 7.⚖️ 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 measure it (c) we change it
  8. 8.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  9. 9.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
  11. 11.⚖️ 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 amount of vinegar (c) size of the balloon
  12. 12.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
  13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
  14. 14.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  15. 15.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  16. 16.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a comb (d) a tray for spills
  18. 18.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) sugar water (d) detergent water
  19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
  21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
  22. 22.🛟 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
  23. 23.True or false: vinegar is neutral. (a) False (b) True
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
  25. 25.True or false: plain water is neutral. (a) False (b) True
  26. 26.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  27. 27.⚖️ 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) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
  28. 28.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
  30. 30.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  31. 31.⚖️ 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
  32. 32.🫧 Which of these is an acid? (a) lemon juice (b) baking soda water (c) salt water (d) detergent water
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a tray for spills (d) a comb
  34. 34.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  35. 35.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) curd (d) plain water
  36. 36.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  37. 37.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  38. 38.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  39. 39.🫧 Which of these is an acid? (a) sugar water (b) vinegar (c) detergent water (d) baking soda water
  40. 40.True or false: tamarind water is a base. (a) True (b) False

Answer key

  1. it grows bigger
  2. an ingredient ran out
  3. not needed
  4. a balloon
  5. a battery cell
  6. carbon dioxide
  7. we change it
  8. needed
  9. False
  10. False
  11. the amount of vinegar
  12. gas is made inside
  13. they react
  14. True
  15. an acid
  16. needed
  17. a comb
  18. sugar water
  19. very little fizzing
  20. we measure it
  21. keep it away from eyes
  22. rinse with clean water
  23. False
  24. False
  25. True
  26. False
  27. spoons of baking soda
  28. not needed
  29. we keep it the same
  30. True
  31. True
  32. lemon juice
  33. a comb
  34. an acid
  35. curd
  36. neutral
  37. not needed
  38. needed
  39. vinegar
  40. False

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