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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 204 · 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.

NameDateTime takenScore ___ / 40
  1. 1.True or false: curd is an acid. (a) False (b) True
  2. 2.⚖️ 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 keep it the same (c) we measure it
  3. 3.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  4. 4.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  5. 5.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) soap solution (d) plain water
  6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a balloon (d) a mirror
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) a tray for spills (d) a balloon
  8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a comb (d) baking soda
  9. 9.🫧 Which of these is a base? (a) vinegar (b) curd (c) sugar water (d) soap solution
  10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
  13. 13.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  14. 14.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
  15. 15.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  16. 16.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  17. 17.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) soap solution (d) lemon juice
  18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
  19. 19.True or false: salt water is neutral. (a) True (b) False
  20. 20.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) plain water (d) curd
  21. 21.⚖️ 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 keep it the same (c) we change it
  22. 22.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) no, nothing changes (d) yes, a new gas forms
  23. 23.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  24. 24.True or false: sugar water is neutral. (a) False (b) True
  25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) sugar (d) an empty bottle
  27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
  28. 28.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  29. 29.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  30. 30.⚖️ 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 change it (c) we measure it
  31. 31.True or false: salt water is a base. (a) False (b) True
  32. 32.True or false: baking soda water is an acid. (a) True (b) False
  33. 33.🫧 Which of these is neutral? (a) detergent water (b) plain water (c) soap solution (d) lemon juice
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
  35. 35.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
  37. 37.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) soap solution (d) tamarind water
  38. 38.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) detergent water (d) baking soda water
  40. 40.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed

Answer key

  1. True
  2. we measure it
  3. not needed
  4. needed
  5. tamarind water
  6. a mirror
  7. a magnet
  8. baking soda
  9. soap solution
  10. it grows bigger
  11. True
  12. True
  13. an acid
  14. lots of fizzy bubbles
  15. rinse with clean water
  16. neutral
  17. lemon juice
  18. carbon dioxide
  19. True
  20. curd
  21. we keep it the same
  22. yes, a new gas forms
  23. True
  24. True
  25. False
  26. sugar
  27. keep it away from eyes
  28. needed
  29. False
  30. we change it
  31. False
  32. False
  33. plain water
  34. we keep it the same
  35. not needed
  36. the same bottle
  37. soap solution
  38. False
  39. sugar water
  40. not needed

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