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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 884 · 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? True or false: the amount of vinegar is kept the same. (a) True (b) False
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a comb (c) an empty bottle (d) vinegar
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
  4. 4.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  5. 5.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  6. 6.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) orange juice
  7. 7.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  8. 8.🫧 Which of these is an acid? (a) plain water (b) soap solution (c) baking soda water (d) vinegar
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) a balloon (d) an empty bottle
  10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
  11. 11.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
  12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a seed (d) a mirror
  13. 13.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  14. 14.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) salt water (d) soap solution
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a balloon (d) sugar
  16. 16.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  17. 17.⚖️ 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
  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.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) soap solution (d) orange juice
  20. 20.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  21. 21.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a magnet (d) vinegar
  22. 22.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  23. 23.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  24. 24.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) a mirror (d) vinegar
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) baking soda (d) a tray for spills
  27. 27.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
  29. 29.⚖️ 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
  30. 30.⚖️ 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 keep it the same (c) we change it
  31. 31.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
  32. 32.⚖️ 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 measure it (c) we change it
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a magnet (d) a mirror
  34. 34.True or false: baking soda water is an acid. (a) True (b) False
  35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) an empty bottle (d) a balloon
  36. 36.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
  37. 37.True or false: vinegar is a base. (a) False (b) True
  38. 38.🫧 Which of these is an acid? (a) orange juice (b) soap solution (c) detergent water (d) salt water
  39. 39.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) salt water (d) plain water
  40. 40.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

Answer key

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

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