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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 26 · 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 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
  2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) the kind of balloon (d) size of the balloon
  4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
  6. 6.⚖️ 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) True (b) False
  7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
  8. 8.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) an empty bottle (d) a funnel or spoon
  10. 10.True or false: orange juice is an acid. (a) True (b) False
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) the kind of balloon (d) spoons of baking soda
  12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  13. 13.⚖️ 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
  14. 14.True or false: tamarind water is a base. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) orange juice (d) curd
  16. 16.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  17. 17.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  18. 18.True or false: detergent water is an acid. (a) True (b) False
  19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a battery cell (c) vinegar (d) a balloon
  20. 20.True or false: plain water is a base. (a) True (b) False
  21. 21.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  22. 22.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  23. 23.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  24. 24.⚖️ 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
  25. 25.🫧 Which of these is neutral? (a) curd (b) baking soda water (c) salt water (d) detergent water
  26. 26.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  27. 27.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  28. 28.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) baking soda (d) a comb
  29. 29.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a seed (c) baking soda (d) a balloon
  31. 31.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a mirror (c) vinegar (d) a funnel or spoon
  33. 33.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  34. 34.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
  35. 35.True or false: detergent water is a base. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) tamarind water (b) soap solution (c) detergent water (d) baking soda water
  37. 37.True or false: lemon juice is a base. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) tamarind water (d) curd
  39. 39.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon

Answer key

  1. keep it away from eyes
  2. carbon dioxide
  3. size of the balloon
  4. needed
  5. we keep it the same
  6. False
  7. it grows bigger
  8. not needed
  9. a battery cell
  10. True
  11. spoons of baking soda
  12. an acid
  13. True
  14. False
  15. detergent water
  16. True
  17. False
  18. False
  19. a battery cell
  20. False
  21. neutral
  22. a base
  23. not needed
  24. we change it
  25. salt water
  26. needed
  27. False
  28. baking soda
  29. True
  30. a seed
  31. they react
  32. a mirror
  33. an acid
  34. rinse with clean water
  35. True
  36. tamarind water
  37. False
  38. soap solution
  39. an acid
  40. the same bottle

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