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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 687 · 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) baking soda (b) sugar (c) a funnel or spoon (d) an empty bottle
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
  3. 3.True or false: sugar water is neutral. (a) True (b) False
  4. 4.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  5. 5.🛟 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
  6. 6.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
  7. 7.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a battery cell (d) vinegar
  9. 9.🫧 Which of these is an acid? (a) sugar water (b) tamarind water (c) plain water (d) salt water
  10. 10.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a mirror
  12. 12.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  13. 13.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
  14. 14.🫧 Which of these is neutral? (a) detergent water (b) salt water (c) curd (d) baking soda water
  15. 15.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
  16. 16.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) sugar water (d) plain water
  17. 17.True or false: detergent water is a base. (a) True (b) False
  18. 18.True or false: orange juice is an acid. (a) False (b) True
  19. 19.True or false: lemon juice is a base. (a) False (b) True
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a funnel or spoon (d) a seed
  21. 21.🫧 Which of these is a base? (a) baking soda water (b) salt water (c) vinegar (d) lemon juice
  22. 22.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a seed (d) a tray for spills
  23. 23.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) an empty bottle (c) a comb (d) a seed
  25. 25.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  26. 26.⚖️ 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
  27. 27.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a balloon (c) an empty bottle (d) a mirror
  29. 29.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  30. 30.True or false: vinegar is a base. (a) False (b) True
  31. 31.True or false: soap solution is a base. (a) False (b) True
  32. 32.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  33. 33.⚖️ 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) size of the balloon (c) the amount of vinegar (d) spoons of baking soda
  34. 34.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
  36. 36.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) salt water (d) plain water
  37. 37.🫧 Which of these is a base? (a) lemon juice (b) vinegar (c) detergent water (d) plain water
  38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) a comb (d) a balloon
  39. 39.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  40. 40.⚖️ 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) False (b) True

Answer key

  1. sugar
  2. size of the balloon
  3. True
  4. not needed
  5. keep it away from eyes
  6. it grows bigger
  7. neutral
  8. a battery cell
  9. tamarind water
  10. needed
  11. a mirror
  12. needed
  13. rinse with clean water
  14. salt water
  15. they react
  16. lemon juice
  17. True
  18. True
  19. False
  20. a seed
  21. baking soda water
  22. a tray for spills
  23. needed
  24. an empty bottle
  25. True
  26. True
  27. not needed
  28. a mirror
  29. False
  30. False
  31. True
  32. not needed
  33. spoons of baking soda
  34. an acid
  35. we keep it the same
  36. soap solution
  37. detergent water
  38. a comb
  39. False
  40. True

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