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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 456 · 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.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
  2. 2.🔍 Which is the odd one out? (a) salt water (b) vinegar (c) curd (d) orange juice
  3. 3.⚖️ 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
  4. 4.🔮 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
  5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a battery cell (d) baking soda
  6. 6.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  7. 7.⚖️ 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
  8. 8.🫧 Which of these is neutral? (a) salt water (b) baking soda water (c) tamarind water (d) orange juice
  9. 9.🫧 Which of these is an acid? (a) plain water (b) salt water (c) orange juice (d) sugar water
  10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a tray for spills (d) a seed
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
  12. 12.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
  14. 14.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a funnel or spoon (d) a mirror
  16. 16.📘 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
  17. 17.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) add baking soda (d) ignore it
  18. 18.True or false: soap solution is a base. (a) True (b) False
  19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
  20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a magnet
  21. 21.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) soap solution (d) vinegar
  22. 22.True or false: vinegar is an acid. (a) False (b) True
  23. 23.⚖️ 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) size of the balloon (d) the amount of vinegar
  24. 24.True or false: lemon juice is an acid. (a) True (b) False
  25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) shake it near your face (d) keep it away from eyes
  26. 26.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  27. 27.True or false: vinegar is a base. (a) False (b) True
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
  29. 29.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) sugar water (d) vinegar
  30. 30.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) curd (d) baking soda water
  31. 31.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  32. 32.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  33. 33.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) sugar water (d) salt water
  34. 34.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  35. 35.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  36. 36.🫧 Which of these is a base? (a) baking soda water (b) curd (c) lemon juice (d) sugar water
  37. 37.🔍 Which is the odd one out? (a) plain water (b) salt water (c) tamarind water (d) sugar water
  38. 38.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  39. 39.True or false: tamarind water is neutral. (a) True (b) False
  40. 40.🔍 Which is the odd one out? (a) detergent water (b) plain water (c) baking soda water (d) soap solution

Answer key

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

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