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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 906 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
  2. 2.🫧 Which of these is neutral? (a) salt water (b) detergent water (c) orange juice (d) vinegar
  3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a magnet (d) an empty bottle
  5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) baking soda (d) a magnet
  6. 6.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  7. 7.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  8. 8.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) helium (d) hydrogen
  9. 9.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) lemon juice (d) tamarind water
  10. 10.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only melting (d) it is only dissolving
  11. 11.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
  12. 12.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  13. 13.🫧 Which of these is a base? (a) detergent water (b) plain water (c) curd (d) tamarind water
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) a tray for spills (d) baking soda
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) spoons of baking soda
  16. 16.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rinse with clean water (d) rub it hard
  17. 17.⚖️ 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
  18. 18.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  19. 19.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
  20. 20.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  21. 21.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) baking soda water (d) plain water
  22. 22.True or false: vinegar is an acid. (a) False (b) True
  23. 23.True or false: orange juice is an acid. (a) True (b) False
  24. 24.⚖️ 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 same bottle (c) size of the balloon
  25. 25.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  26. 26.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
  28. 28.True or false: sugar water is an acid. (a) False (b) True
  29. 29.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  30. 30.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  31. 31.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  32. 32.🫧 Which of these is an acid? (a) orange juice (b) salt water (c) plain water (d) soap solution
  33. 33.⚖️ 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) True (b) False
  34. 34.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) salt water (d) lemon juice
  35. 35.True or false: vinegar is a base. (a) True (b) False
  36. 36.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
  37. 37.True or false: orange juice is neutral. (a) True (b) False
  38. 38.True or false: tamarind water is an acid. (a) True (b) False
  39. 39.True or false: salt water is an acid. (a) False (b) True
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a balloon (c) vinegar (d) baking soda

Answer key

  1. the kind of balloon
  2. salt water
  3. they react
  4. an empty bottle
  5. a magnet
  6. needed
  7. an acid
  8. carbon dioxide
  9. sugar water
  10. yes, a new gas forms
  11. an ingredient ran out
  12. needed
  13. detergent water
  14. a comb
  15. size of the balloon
  16. rinse with clean water
  17. True
  18. True
  19. True
  20. True
  21. plain water
  22. True
  23. True
  24. the same bottle
  25. True
  26. True
  27. keep it away from eyes
  28. False
  29. False
  30. a base
  31. needed
  32. orange juice
  33. False
  34. lemon juice
  35. False
  36. it grows bigger
  37. False
  38. True
  39. False
  40. a battery cell

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