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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 287 · 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 of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) sugar (d) vinegar
  2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the same bottle (d) the kind of balloon
  4. 4.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  5. 5.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  6. 6.🔍 Which is the odd one out? (a) sugar water (b) curd (c) salt water (d) plain water
  7. 7.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
  8. 8.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) curd (d) vinegar
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) sugar (d) a funnel or spoon
  10. 10.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) soap solution (d) detergent water
  11. 11.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) lemon juice
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
  13. 13.⚖️ 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
  14. 14.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) curd (d) plain water
  15. 15.True or false: plain water is neutral. (a) True (b) False
  16. 16.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  17. 17.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  18. 18.True or false: detergent water is neutral. (a) True (b) False
  19. 19.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) baking soda (d) a mirror
  21. 21.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
  23. 23.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
  25. 25.⚖️ 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
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a comb (d) an empty bottle
  27. 27.🫧 Which of these is a base? (a) vinegar (b) plain water (c) lemon juice (d) detergent water
  28. 28.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  29. 29.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
  30. 30.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  32. 32.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a seed (d) a mirror
  33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) vinegar (d) an empty bottle
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
  35. 35.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) curd (d) soap solution
  36. 36.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  37. 37.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
  38. 38.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  39. 39.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  40. 40.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False

Answer key

  1. vinegar
  2. very little fizzing
  3. spoons of baking soda
  4. True
  5. True
  6. curd
  7. an ingredient ran out
  8. baking soda water
  9. sugar
  10. sugar water
  11. lemon juice
  12. False
  13. we change it
  14. plain water
  15. True
  16. not needed
  17. True
  18. False
  19. rinse with clean water
  20. a mirror
  21. False
  22. False
  23. False
  24. carbon dioxide
  25. True
  26. a comb
  27. detergent water
  28. not needed
  29. keep it away from eyes
  30. gas is made inside
  31. True
  32. baking soda
  33. a magnet
  34. the same bottle
  35. curd
  36. not needed
  37. lots of fizzy bubbles
  38. not needed
  39. neutral
  40. True

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