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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 518 · 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 is the odd one out? (a) sugar water (b) plain water (c) tamarind water (d) salt water
  2. 2.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) vinegar (d) baking soda water
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
  4. 4.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  5. 5.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  6. 6.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they become magnets (d) they freeze
  7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
  8. 8.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  9. 9.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a mirror (d) a seed
  10. 10.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) lemon juice (d) salt water
  11. 11.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
  12. 12.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  13. 13.⚖️ 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 kind of balloon (c) spoons of baking soda
  14. 14.True or false: tamarind water is a base. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) curd (b) soap solution (c) tamarind water (d) orange juice
  16. 16.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  17. 17.True or false: baking soda water is a base. (a) False (b) True
  18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) an empty bottle (d) a battery cell
  19. 19.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) orange juice (d) lemon juice
  20. 20.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  21. 21.⚖️ 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
  22. 22.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  23. 23.🫧 Which of these is neutral? (a) tamarind water (b) lemon juice (c) salt water (d) baking soda water
  24. 24.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a seed (d) a balloon
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
  27. 27.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  28. 28.True or false: salt water is neutral. (a) True (b) False
  29. 29.🫧 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
  30. 30.True or false: sugar water is neutral. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) orange juice (d) salt water
  32. 32.True or false: lemon juice is an acid. (a) False (b) True
  33. 33.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  38. 38.⚖️ 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 amount of vinegar (c) size of the balloon
  39. 39.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) plain water (d) orange juice
  40. 40.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True

Answer key

  1. tamarind water
  2. vinegar
  3. False
  4. a base
  5. rinse with clean water
  6. they react
  7. keep it away from eyes
  8. False
  9. baking soda
  10. salt water
  11. an ingredient ran out
  12. needed
  13. the kind of balloon
  14. False
  15. soap solution
  16. False
  17. True
  18. an empty bottle
  19. plain water
  20. not needed
  21. we keep it the same
  22. True
  23. salt water
  24. needed
  25. a seed
  26. we keep it the same
  27. True
  28. True
  29. lots of fizzy bubbles
  30. True
  31. orange juice
  32. True
  33. an acid
  34. we measure it
  35. an acid
  36. spoons of baking soda
  37. True
  38. the amount of vinegar
  39. orange juice
  40. False

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