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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 820 · 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 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
  2. 2.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) sugar (d) a balloon
  4. 4.True or false: curd is an acid. (a) False (b) True
  5. 5.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
  7. 7.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  8. 8.📘 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
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
  10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) sugar (d) an empty bottle
  11. 11.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
  12. 12.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) baking soda water (d) curd
  13. 13.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) outside air gets in (d) gas is made inside
  14. 14.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) salt water (d) orange juice
  15. 15.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  16. 16.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  17. 17.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) baking soda water (d) detergent water
  18. 18.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
  19. 19.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  20. 20.True or false: baking soda water is neutral. (a) False (b) True
  21. 21.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) an empty bottle (d) sugar
  23. 23.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) detergent water (d) soap solution
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
  25. 25.True or false: lemon juice is an acid. (a) False (b) True
  26. 26.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  27. 27.⚖️ 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
  28. 28.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing
  29. 29.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  30. 30.True or false: sugar water is neutral. (a) False (b) True
  31. 31.⚖️ 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
  32. 32.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) baking soda (d) a mirror
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a balloon (d) a tray for spills
  34. 34.⚖️ 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
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  36. 36.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda (d) the same bottle
  38. 38.🫧 Which of these is a base? (a) curd (b) orange juice (c) plain water (d) soap solution
  39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  40. 40.🫧 Which of these is an acid? (a) detergent water (b) tamarind water (c) plain water (d) soap solution

Answer key

  1. keep it away from eyes
  2. needed
  3. sugar
  4. True
  5. not needed
  6. it grows bigger
  7. True
  8. yes, a new gas forms
  9. we keep it the same
  10. an empty bottle
  11. an ingredient ran out
  12. baking soda water
  13. gas is made inside
  14. orange juice
  15. False
  16. an acid
  17. sugar water
  18. rinse with clean water
  19. an acid
  20. False
  21. True
  22. sugar
  23. orange juice
  24. False
  25. True
  26. False
  27. False
  28. very little fizzing
  29. needed
  30. True
  31. we change it
  32. baking soda
  33. a mirror
  34. we measure it
  35. True
  36. True
  37. spoons of baking soda
  38. soap solution
  39. needed
  40. tamarind water

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