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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 490 · 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) an empty bottle (b) sugar (c) baking soda (d) a funnel or spoon
  2. 2.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
  3. 3.🫧 Which of these is a base? (a) soap solution (b) vinegar (c) sugar water (d) curd
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) size of the balloon (c) the same bottle (d) spoons of baking soda
  5. 5.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) plain water (d) salt water
  6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a battery cell (d) vinegar
  8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) a comb (d) a seed
  9. 9.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they freeze (d) they float apart
  10. 10.🔍 Which is the odd one out? (a) plain water (b) salt water (c) baking soda water (d) sugar water
  11. 11.True or false: orange juice is an acid. (a) True (b) False
  12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
  13. 13.True or false: tamarind water is neutral. (a) False (b) True
  14. 14.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  15. 15.⚖️ 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
  16. 16.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a magnet (d) a funnel or spoon
  18. 18.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  19. 19.True or false: lemon juice is an acid. (a) True (b) False
  20. 20.True or false: salt water is an acid. (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.🫧 Which of these is neutral? (a) orange juice (b) lemon juice (c) sugar water (d) detergent water
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
  24. 24.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  25. 25.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
  26. 26.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
  27. 27.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  28. 28.True or false: salt water is a base. (a) True (b) False
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
  30. 30.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) salt water (d) sugar water
  32. 32.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a mirror (d) a comb
  34. 34.True or false: sugar water is an acid. (a) True (b) False
  35. 35.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  36. 36.True or false: detergent water is an acid. (a) False (b) True
  37. 37.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
  39. 39.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  40. 40.🫧 Which of these is a base? (a) curd (b) baking soda water (c) vinegar (d) plain water

Answer key

  1. sugar
  2. an ingredient ran out
  3. soap solution
  4. size of the balloon
  5. orange juice
  6. not needed
  7. a battery cell
  8. baking soda
  9. they react
  10. baking soda water
  11. True
  12. keep it away from eyes
  13. False
  14. True
  15. we keep it the same
  16. needed
  17. a magnet
  18. neutral
  19. True
  20. False
  21. neutral
  22. sugar water
  23. True
  24. not needed
  25. very little fizzing
  26. rinse with clean water
  27. False
  28. False
  29. False
  30. False
  31. lemon juice
  32. an acid
  33. vinegar
  34. False
  35. True
  36. False
  37. False
  38. it grows bigger
  39. True
  40. baking soda water

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