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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 717 · 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 is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) sugar water
  2. 2.🫧 Which of these is neutral? (a) vinegar (b) sugar water (c) curd (d) orange juice
  3. 3.🫧 Which of these is a base? (a) curd (b) orange juice (c) baking soda water (d) lemon juice
  4. 4.True or false: vinegar is a base. (a) False (b) True
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
  6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a balloon (d) a battery cell
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) vinegar (d) a seed
  8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
  9. 9.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) detergent water (d) soap solution
  10. 10.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  11. 11.🫧 Which of these is an acid? (a) sugar water (b) curd (c) plain water (d) baking soda water
  12. 12.True or false: curd is neutral. (a) False (b) True
  13. 13.⚖️ 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
  14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) sugar (c) baking soda (d) vinegar
  15. 15.🫧 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
  16. 16.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  17. 17.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) baking soda water (d) salt water
  18. 18.True or false: vinegar is an acid. (a) True (b) False
  19. 19.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) the kind of balloon (d) spoons of baking soda
  21. 21.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
  22. 22.🫧 Which of these is a base? (a) vinegar (b) curd (c) detergent water (d) salt water
  23. 23.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
  24. 24.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) tamarind water (d) orange juice
  25. 25.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) a comb (d) a seed
  27. 27.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) salt water (d) vinegar
  28. 28.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  29. 29.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a mirror (d) a seed
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a comb (d) a balloon
  32. 32.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) detergent water (d) tamarind water
  33. 33.⚖️ 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
  34. 34.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  35. 35.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  36. 36.🫧 Which of these is neutral? (a) curd (b) plain water (c) orange juice (d) vinegar
  37. 37.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  38. 38.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
  40. 40.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid

Answer key

  1. sugar water
  2. sugar water
  3. baking soda water
  4. False
  5. False
  6. a battery cell
  7. a seed
  8. rinse with clean water
  9. curd
  10. True
  11. curd
  12. False
  13. we keep it the same
  14. sugar
  15. lots of fizzy bubbles
  16. an acid
  17. salt water
  18. True
  19. a base
  20. spoons of baking soda
  21. gas is made inside
  22. detergent water
  23. very little fizzing
  24. baking soda water
  25. not needed
  26. baking soda
  27. vinegar
  28. not needed
  29. not needed
  30. an empty bottle
  31. a comb
  32. detergent water
  33. False
  34. neutral
  35. False
  36. plain water
  37. needed
  38. an acid
  39. True
  40. neutral

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