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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 768 · 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 mirror (b) a tray for spills (c) a battery cell (d) a magnet
  2. 2.⚖️ 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
  3. 3.📘 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
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a magnet (d) a tray for spills
  5. 5.⚖️ 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
  6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
  7. 7.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) plain water (d) vinegar
  8. 8.🫧 Which of these is neutral? (a) vinegar (b) detergent water (c) sugar water (d) soap solution
  9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) there is no change (d) it turns blue
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
  11. 11.🫧 Which of these is a base? (a) tamarind water (b) plain water (c) curd (d) baking soda water
  12. 12.True or false: curd is an acid. (a) False (b) True
  13. 13.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
  14. 14.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the kind of balloon (c) the same bottle (d) spoons of baking soda
  16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) an empty bottle (d) a tray for spills
  17. 17.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  18. 18.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) sugar water (d) lemon juice
  19. 19.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) salt water (d) baking soda water
  20. 20.🛟 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
  21. 21.True or false: sugar water is an acid. (a) True (b) False
  22. 22.⚖️ 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) True (b) False
  23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  24. 24.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  25. 25.🫧 Which of these is an acid? (a) sugar water (b) plain water (c) orange juice (d) baking soda water
  26. 26.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  27. 27.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  28. 28.True or false: orange juice is neutral. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) plain water
  30. 30.🫧 Which of these is an acid? (a) detergent water (b) plain water (c) tamarind water (d) baking soda water
  31. 31.🫧 Which of these is a base? (a) lemon juice (b) detergent water (c) salt water (d) tamarind water
  32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) an empty bottle (d) a magnet
  33. 33.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
  34. 34.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  35. 35.⚖️ 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 amount of vinegar (c) spoons of baking soda
  36. 36.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) lemon juice (d) salt water
  37. 37.🫧 Which of these is an acid? (a) curd (b) salt water (c) soap solution (d) baking soda water
  38. 38.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
  40. 40.True or false: plain water is neutral. (a) True (b) False

Answer key

  1. a tray for spills
  2. we measure it
  3. they react
  4. a magnet
  5. True
  6. carbon dioxide
  7. vinegar
  8. sugar water
  9. it grows bigger
  10. the kind of balloon
  11. baking soda water
  12. True
  13. yes, a new gas forms
  14. needed
  15. spoons of baking soda
  16. a seed
  17. needed
  18. sugar water
  19. salt water
  20. keep it away from eyes
  21. False
  22. True
  23. needed
  24. False
  25. orange juice
  26. neutral
  27. an acid
  28. False
  29. plain water
  30. tamarind water
  31. detergent water
  32. a magnet
  33. lots of fizzy bubbles
  34. True
  35. the amount of vinegar
  36. soap solution
  37. curd
  38. False
  39. we keep it the same
  40. True

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