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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 745 · 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 neutral? (a) curd (b) orange juice (c) vinegar (d) salt water
  2. 2.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a battery cell (d) a mirror
  4. 4.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) sugar water (d) vinegar
  5. 5.True or false: lemon juice is an acid. (a) False (b) True
  6. 6.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
  7. 7.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  8. 8.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a balloon (d) vinegar
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon
  11. 11.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) salt water (d) plain water
  12. 12.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) an empty bottle (d) a battery cell
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) a battery cell (d) baking soda
  14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) sugar (d) a seed
  15. 15.⚖️ 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
  16. 16.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
  17. 17.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  18. 18.🔮 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
  19. 19.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  20. 20.🫧 Which of these is a base? (a) detergent water (b) salt water (c) sugar water (d) orange juice
  21. 21.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
  22. 22.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
  23. 23.True or false: baking soda water is neutral. (a) True (b) False
  24. 24.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
  25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
  26. 26.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  27. 27.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) salt water (d) lemon juice
  28. 28.True or false: orange juice is neutral. (a) False (b) True
  29. 29.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  30. 30.🔍 Which is the odd one out? (a) curd (b) tamarind water (c) lemon juice (d) soap solution
  31. 31.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) a balloon (d) baking soda
  34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a mirror (d) a balloon
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) baking soda water (d) curd
  39. 39.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  40. 40.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True

Answer key

  1. salt water
  2. False
  3. a funnel or spoon
  4. sugar water
  5. True
  6. very little fizzing
  7. not needed
  8. True
  9. sugar
  10. the kind of balloon
  11. lemon juice
  12. an empty bottle
  13. a battery cell
  14. baking soda
  15. we keep it the same
  16. False
  17. an acid
  18. an ingredient ran out
  19. neutral
  20. detergent water
  21. gas is made inside
  22. rinse with clean water
  23. False
  24. lots of fizzy bubbles
  25. we change it
  26. an acid
  27. salt water
  28. False
  29. not needed
  30. soap solution
  31. needed
  32. True
  33. a comb
  34. a mirror
  35. False
  36. True
  37. True
  38. baking soda water
  39. False
  40. False

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