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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 49 · 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.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  2. 2.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
  4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a battery cell (c) a balloon (d) an empty bottle
  5. 5.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the balloon got cold (d) the gas froze
  6. 6.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  7. 7.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) baking soda water (d) curd
  8. 8.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
  9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
  10. 10.🫧 Which of these is an acid? (a) salt water (b) lemon juice (c) detergent water (d) plain water
  11. 11.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  12. 12.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) salt water (d) plain water
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) baking soda (d) a balloon
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
  15. 15.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  16. 16.True or false: lemon juice is an acid. (a) True (b) False
  17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
  18. 18.True or false: orange juice is a base. (a) False (b) True
  19. 19.True or false: baking soda water is neutral. (a) False (b) True
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a comb (d) a funnel or spoon
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
  22. 22.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  23. 23.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  24. 24.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
  25. 25.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
  27. 27.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  28. 28.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
  30. 30.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  31. 31.⚖️ 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 kind of balloon
  32. 32.🫧 Which of these is a base? (a) vinegar (b) curd (c) baking soda water (d) sugar water
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a comb (d) an empty bottle
  34. 34.🫧 Which of these is a base? (a) detergent water (b) plain water (c) vinegar (d) curd
  35. 35.True or false: tamarind water is a base. (a) True (b) False
  36. 36.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  37. 37.⚖️ 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
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
  39. 39.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) plain water (d) lemon juice
  40. 40.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed

Answer key

  1. needed
  2. it grows bigger
  3. False
  4. a battery cell
  5. an ingredient ran out
  6. not needed
  7. curd
  8. lots of fizzy bubbles
  9. very little fizzing
  10. lemon juice
  11. not needed
  12. detergent water
  13. a mirror
  14. False
  15. needed
  16. True
  17. we keep it the same
  18. False
  19. False
  20. a comb
  21. the same bottle
  22. False
  23. True
  24. False
  25. a base
  26. True
  27. not needed
  28. True
  29. False
  30. True
  31. spoons of baking soda
  32. baking soda water
  33. an empty bottle
  34. detergent water
  35. False
  36. neutral
  37. we measure it
  38. we keep it the same
  39. plain water
  40. not needed

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