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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 585 · 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.⚖️ 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
  2. 2.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
  3. 3.True or false: sugar water is neutral. (a) False (b) True
  4. 4.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  5. 5.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  6. 6.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a mirror (d) vinegar
  8. 8.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) outside air gets in (d) the bottle shrinks
  9. 9.True or false: vinegar is an acid. (a) True (b) False
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
  11. 11.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
  12. 12.🛟 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
  13. 13.True or false: baking soda water is a base. (a) False (b) True
  14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon (d) the same bottle
  16. 16.🫧 Which of these is an acid? (a) sugar water (b) curd (c) detergent water (d) baking soda water
  17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
  18. 18.🫧 Which of these is neutral? (a) curd (b) salt water (c) baking soda water (d) soap solution
  19. 19.⚖️ 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
  20. 20.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) orange juice (d) soap solution
  21. 21.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  22. 22.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  23. 23.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  24. 24.⚖️ 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
  25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
  26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
  27. 27.🫧 Which of these is a base? (a) plain water (b) salt water (c) baking soda water (d) orange juice
  28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  29. 29.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a seed (d) an empty bottle
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a magnet (d) vinegar
  33. 33.True or false: tamarind water is an acid. (a) True (b) False
  34. 34.True or false: tamarind water is a base. (a) False (b) True
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
  36. 36.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a mirror (c) a seed (d) a battery cell
  37. 37.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) orange juice
  38. 38.🔍 Which is the odd one out? (a) curd (b) sugar water (c) salt water (d) plain water
  39. 39.⚖️ 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
  40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base

Answer key

  1. False
  2. lots of fizzy bubbles
  3. True
  4. not needed
  5. an acid
  6. an acid
  7. vinegar
  8. gas is made inside
  9. True
  10. True
  11. an ingredient ran out
  12. rinse with clean water
  13. True
  14. it grows bigger
  15. size of the balloon
  16. curd
  17. False
  18. salt water
  19. we change it
  20. soap solution
  21. False
  22. neutral
  23. False
  24. True
  25. keep it away from eyes
  26. carbon dioxide
  27. baking soda water
  28. needed
  29. not needed
  30. needed
  31. a seed
  32. a magnet
  33. True
  34. False
  35. we keep it the same
  36. baking soda
  37. orange juice
  38. curd
  39. False
  40. an acid

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