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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 791 · 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 not needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) vinegar (d) a balloon
  2. 2.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
  3. 3.⚖️ 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 keep it the same (c) we change it
  4. 4.⚖️ 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
  5. 5.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) sugar (d) vinegar
  8. 8.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  9. 9.🫧 Which of these is a base? (a) sugar water (b) detergent water (c) lemon juice (d) curd
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the kind of balloon (c) spoons of baking soda (d) the same bottle
  11. 11.🔮 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
  12. 12.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
  13. 13.True or false: baking soda water is neutral. (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) sugar (d) a balloon
  16. 16.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
  17. 17.⚖️ 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
  18. 18.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) salt water (d) orange juice
  19. 19.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
  21. 21.True or false: sugar water is neutral. (a) False (b) True
  22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) an empty bottle (d) a magnet
  23. 23.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  24. 24.True or false: lemon juice is an acid. (a) False (b) True
  25. 25.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) soap solution (d) salt water
  26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
  27. 27.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  28. 28.🔮 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
  29. 29.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
  30. 30.🫧 Which of these is a base? (a) salt water (b) tamarind water (c) soap solution (d) lemon juice
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  32. 32.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  33. 33.🎈 Why does the balloon blow up? (a) outside air gets in (b) the bottle shrinks (c) vinegar is hot (d) gas is made inside
  34. 34.🔍 Which is the odd one out? (a) soap solution (b) orange juice (c) detergent water (d) baking soda water
  35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) an empty bottle (d) a tray for spills
  36. 36.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  37. 37.True or false: plain water is a base. (a) True (b) False
  38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a seed (c) a tray for spills (d) an empty bottle
  39. 39.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  40. 40.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True

Answer key

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

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