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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 726 · 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: orange juice is an acid. (a) True (b) False
  2. 2.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  3. 3.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  4. 4.True or false: vinegar is neutral. (a) True (b) False
  5. 5.True or false: tamarind water is an acid. (a) False (b) True
  6. 6.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  7. 7.🫧 Which of these is neutral? (a) baking soda water (b) lemon juice (c) vinegar (d) salt water
  8. 8.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  9. 9.⚖️ 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
  10. 10.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  11. 11.🔮 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
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
  13. 13.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it shrinks (d) it turns blue
  14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a seed (d) a tray for spills
  15. 15.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
  16. 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a magnet (d) a funnel or spoon
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a battery cell (d) vinegar
  18. 18.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  19. 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
  20. 20.⚖️ 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) spoons of baking soda (c) size of the balloon (d) the same bottle
  21. 21.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
  24. 24.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  25. 25.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  26. 26.⚖️ 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
  27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) baking soda (d) an empty bottle
  28. 28.🫧 Which of these is a base? (a) soap solution (b) salt water (c) orange juice (d) vinegar
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
  30. 30.True or false: sugar water is an acid. (a) False (b) True
  31. 31.⚖️ 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 measure it (c) we change it
  32. 32.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  33. 33.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) orange juice (d) sugar water
  34. 34.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) helium (c) hydrogen (d) oxygen
  35. 35.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  36. 36.⚖️ 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
  37. 37.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  38. 38.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  39. 39.True or false: baking soda water is an acid. (a) True (b) False
  40. 40.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed

Answer key

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

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