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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 201 · 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? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
  3. 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
  4. 4.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  5. 5.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
  7. 7.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) the bottle shrinks (d) gas is made inside
  8. 8.True or false: soap solution is neutral. (a) True (b) False
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a mirror (d) an empty bottle
  10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
  11. 11.⚖️ 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 amount of vinegar (c) spoons of baking soda
  12. 12.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  14. 14.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  15. 15.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) spoons of baking soda (d) size of the balloon
  17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) vinegar (b) detergent water (c) baking soda water (d) soap solution
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) a balloon (d) vinegar
  20. 20.True or false: baking soda water is a base. (a) False (b) True
  21. 21.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a comb (d) a battery cell
  23. 23.⚖️ 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) True (b) False
  24. 24.True or false: orange juice is an acid. (a) True (b) False
  25. 25.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  26. 26.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) plain water (d) orange juice
  27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) sugar (d) a magnet
  28. 28.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) detergent water (d) baking soda water
  29. 29.🫧 Which of these is a base? (a) salt water (b) vinegar (c) plain water (d) baking soda water
  30. 30.True or false: plain water is a base. (a) True (b) False
  31. 31.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a seed (d) an empty bottle
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) a tray for spills (d) baking soda
  34. 34.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  35. 35.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
  36. 36.True or false: detergent water is a base. (a) False (b) True
  37. 37.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
  38. 38.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a balloon (c) a mirror (d) a magnet
  40. 40.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base

Answer key

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

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