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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 185 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a tray for spills (d) a comb
  2. 2.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) sugar (d) a tray for spills
  4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a funnel or spoon (d) a seed
  5. 5.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
  6. 6.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  7. 7.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) plain water
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) baking soda (d) a balloon
  10. 10.⚖️ 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
  11. 11.🫧 Which of these is neutral? (a) sugar water (b) baking soda water (c) orange juice (d) vinegar
  12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  13. 13.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  14. 14.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  15. 15.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
  16. 16.True or false: tamarind water is neutral. (a) True (b) False
  17. 17.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  18. 18.⚖️ 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 change it (c) we measure it
  19. 19.⚖️ 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
  20. 20.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
  21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a comb (d) sugar
  22. 22.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) the bottle got tired (d) an ingredient ran out
  23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) vinegar (d) sugar
  24. 24.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
  25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) lemon juice
  27. 27.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a battery cell (d) a balloon
  29. 29.⚖️ 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
  30. 30.True or false: lemon juice is an acid. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) soap solution
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  34. 34.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
  35. 35.True or false: soap solution is a base. (a) True (b) False
  36. 36.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  37. 37.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  38. 38.True or false: curd is an acid. (a) False (b) True
  39. 39.True or false: curd is neutral. (a) False (b) True
  40. 40.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed

Answer key

  1. a comb
  2. True
  3. a tray for spills
  4. a seed
  5. rinse with clean water
  6. a base
  7. plain water
  8. we keep it the same
  9. a magnet
  10. we keep it the same
  11. sugar water
  12. not needed
  13. an acid
  14. False
  15. they react
  16. False
  17. needed
  18. we keep it the same
  19. True
  20. lots of fizzy bubbles
  21. vinegar
  22. an ingredient ran out
  23. sugar
  24. very little fizzing
  25. False
  26. lemon juice
  27. not needed
  28. a battery cell
  29. we change it
  30. True
  31. soap solution
  32. False
  33. False
  34. carbon dioxide
  35. True
  36. not needed
  37. False
  38. True
  39. False
  40. needed

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