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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 878 · 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.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  2. 2.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
  3. 3.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  4. 4.True or false: plain water is neutral. (a) False (b) True
  5. 5.🫧 Which of these is a base? (a) lemon juice (b) curd (c) tamarind water (d) baking soda water
  6. 6.⚖️ 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 same bottle (c) the amount of vinegar (d) size of the balloon
  7. 7.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  8. 8.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
  10. 10.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
  12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  13. 13.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) baking soda water (d) lemon juice
  14. 14.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
  15. 15.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
  16. 16.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
  19. 19.True or false: salt water is neutral. (a) True (b) False
  20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
  21. 21.🫧 Which of these is an acid? (a) vinegar (b) baking soda water (c) salt water (d) soap solution
  22. 22.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
  24. 24.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
  26. 26.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) soap solution (d) baking soda water
  27. 27.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  28. 28.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  29. 29.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
  31. 31.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) sugar water (d) lemon juice
  32. 32.⚖️ 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
  33. 33.⚖️ 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
  34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a balloon (c) a funnel or spoon (d) baking soda
  35. 35.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  36. 36.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) orange juice (d) detergent water
  37. 37.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
  38. 38.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) an empty bottle (d) a magnet
  40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a magnet (c) a balloon (d) a funnel or spoon

Answer key

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

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