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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 41 · 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.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
  2. 2.⚖️ 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
  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) the amount of vinegar (c) the same bottle (d) the kind of balloon
  4. 4.🛟 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
  5. 5.🫧 Which of these is a base? (a) soap solution (b) lemon juice (c) orange juice (d) tamarind water
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we keep it the same (c) we change it
  7. 7.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) salt water
  8. 8.🧺 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 seed
  9. 9.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  10. 10.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  11. 11.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  12. 12.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) plain water (d) orange juice
  13. 13.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  14. 14.True or false: vinegar is an acid. (a) False (b) True
  15. 15.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in
  16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
  17. 17.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) it turns to ice (d) nothing at all
  18. 18.True or false: curd is a base. (a) True (b) False
  19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a balloon (c) a mirror (d) a magnet
  20. 20.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  21. 21.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  22. 22.🧺 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 tray for spills
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) sugar (d) a mirror
  24. 24.True or false: vinegar is a base. (a) False (b) True
  25. 25.🫧 Which of these is neutral? (a) vinegar (b) baking soda water (c) sugar water (d) detergent water
  26. 26.🫧 Which of these is an acid? (a) soap solution (b) tamarind water (c) sugar water (d) detergent water
  27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it grows bigger (d) it shrinks
  28. 28.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) plain water (d) sugar water
  29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) baking soda (d) a comb
  30. 30.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  31. 31.🫧 Which of these is a base? (a) plain water (b) baking soda water (c) vinegar (d) curd
  32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a balloon (c) a funnel or spoon (d) vinegar
  33. 33.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  35. 35.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
  36. 36.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  37. 37.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a mirror (d) baking soda
  40. 40.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar

Answer key

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

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