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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 354 · 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: plain water is a base. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) baking soda water
  3. 3.🫧 Which of these is an acid? (a) plain water (b) orange juice (c) baking soda water (d) detergent water
  4. 4.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) spoons of baking soda (d) size of the balloon
  6. 6.⚖️ 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
  7. 7.⚖️ 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
  8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
  9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) a comb (d) a balloon
  10. 10.⚖️ 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
  11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) sugar (d) a funnel or spoon
  12. 12.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  13. 13.🫧 Which of these is neutral? (a) baking soda water (b) salt water (c) lemon juice (d) vinegar
  14. 14.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
  15. 15.True or false: vinegar is neutral. (a) False (b) True
  16. 16.⚖️ 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
  17. 17.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  18. 18.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a balloon (d) a mirror
  20. 20.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) salt water (d) baking soda water
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
  22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  23. 23.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) an empty bottle (d) baking soda
  25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) a balloon (d) sugar
  26. 26.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  27. 27.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  28. 28.🫧 Which of these is a base? (a) orange juice (b) plain water (c) lemon juice (d) baking soda water
  29. 29.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  30. 30.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  31. 31.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) orange juice (b) sugar water (c) curd (d) tamarind water
  33. 33.True or false: soap solution is an acid. (a) False (b) True
  34. 34.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  35. 35.🫧 Which of these is neutral? (a) sugar water (b) lemon juice (c) detergent water (d) tamarind water
  36. 36.🫧 Which of these is a base? (a) detergent water (b) curd (c) orange juice (d) tamarind water
  37. 37.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) vinegar (d) a tray for spills
  39. 39.⚖️ 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
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a tray for spills (d) sugar

Answer key

  1. False
  2. baking soda water
  3. orange juice
  4. not needed
  5. spoons of baking soda
  6. we keep it the same
  7. False
  8. keep it away from eyes
  9. a comb
  10. we change it
  11. a funnel or spoon
  12. False
  13. salt water
  14. yes, a new gas forms
  15. False
  16. we keep it the same
  17. needed
  18. rinse with clean water
  19. a mirror
  20. salt water
  21. the amount of vinegar
  22. needed
  23. an acid
  24. a seed
  25. a balloon
  26. not needed
  27. a base
  28. baking soda water
  29. an acid
  30. neutral
  31. False
  32. sugar water
  33. False
  34. needed
  35. sugar water
  36. detergent water
  37. not needed
  38. a mirror
  39. True
  40. sugar

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