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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 705 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a seed (d) vinegar
  2. 2.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  3. 3.⚖️ 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
  4. 4.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
  5. 5.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) salt water (d) sugar water
  6. 6.🫧 Which of these is an acid? (a) baking soda water (b) curd (c) plain water (d) sugar water
  7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a magnet (d) sugar
  8. 8.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the kind of balloon
  9. 9.🫧 Which of these is an acid? (a) salt water (b) sugar water (c) vinegar (d) plain water
  10. 10.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  11. 11.True or false: plain water is neutral. (a) True (b) False
  12. 12.🫧 Which of these is an acid? (a) baking soda water (b) lemon juice (c) detergent water (d) sugar water
  13. 13.🔍 Which is the odd one out? (a) curd (b) sugar water (c) plain water (d) salt water
  14. 14.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a balloon (d) a comb
  16. 16.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
  17. 17.⚖️ 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
  18. 18.⚖️ 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
  19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a balloon (d) a battery cell
  20. 20.🫧 Which of these is neutral? (a) lemon juice (b) detergent water (c) salt water (d) curd
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) size of the balloon
  22. 22.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) lemon juice
  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.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  25. 25.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  26. 26.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  27. 27.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) tamarind water (d) detergent water
  28. 28.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) vinegar (d) sugar water
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
  30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
  31. 31.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  32. 32.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  33. 33.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
  36. 36.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  37. 37.True or false: salt water is an acid. (a) False (b) True
  38. 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  39. 39.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
  40. 40.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth

Answer key

  1. a seed
  2. not needed
  3. we keep it the same
  4. yes, a new gas forms
  5. baking soda water
  6. curd
  7. vinegar
  8. spoons of baking soda
  9. vinegar
  10. not needed
  11. True
  12. lemon juice
  13. curd
  14. an acid
  15. a balloon
  16. an ingredient ran out
  17. we change it
  18. True
  19. a battery cell
  20. salt water
  21. size of the balloon
  22. lemon juice
  23. we measure it
  24. an acid
  25. not needed
  26. an acid
  27. detergent water
  28. soap solution
  29. we keep it the same
  30. False
  31. an acid
  32. neutral
  33. False
  34. needed
  35. False
  36. needed
  37. False
  38. needed
  39. lots of fizzy bubbles
  40. keep it away from eyes

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