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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 520 · 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.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  2. 2.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  3. 3.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  4. 4.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) vinegar (d) soap solution
  5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) baking soda (d) a tray for spills
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
  7. 7.🔍 Which is the odd one out? (a) curd (b) detergent water (c) vinegar (d) orange juice
  8. 8.True or false: plain water is neutral. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) salt water (d) plain water
  10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  12. 12.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  13. 13.True or false: orange juice is a base. (a) False (b) True
  14. 14.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a funnel or spoon (d) baking soda
  16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) vinegar (d) a funnel or spoon
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) an empty bottle (d) a magnet
  18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
  19. 19.True or false: baking soda water is a base. (a) True (b) False
  20. 20.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a comb (d) baking soda
  22. 22.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) a mirror (d) a comb
  24. 24.True or false: lemon juice is a base. (a) True (b) False
  25. 25.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  26. 26.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
  27. 27.🫧 Which of these is neutral? (a) curd (b) tamarind water (c) baking soda water (d) plain water
  28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a tray for spills (d) baking soda
  29. 29.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a magnet (d) a comb
  31. 31.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  32. 32.⚖️ 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 measure it (c) we change it
  33. 33.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) detergent water (d) soap solution
  34. 34.True or false: orange juice is neutral. (a) False (b) True
  35. 35.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a funnel or spoon (c) an empty bottle (d) a seed
  37. 37.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
  38. 38.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
  39. 39.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  40. 40.⚖️ 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

Answer key

  1. needed
  2. True
  3. a base
  4. vinegar
  5. sugar
  6. we change it
  7. detergent water
  8. True
  9. soap solution
  10. keep it away from eyes
  11. True
  12. False
  13. False
  14. needed
  15. a magnet
  16. a mirror
  17. an empty bottle
  18. it grows bigger
  19. True
  20. False
  21. a comb
  22. gas is made inside
  23. a tray for spills
  24. False
  25. a base
  26. lots of fizzy bubbles
  27. plain water
  28. a magnet
  29. True
  30. vinegar
  31. False
  32. we keep it the same
  33. curd
  34. False
  35. a base
  36. a seed
  37. rinse with clean water
  38. very little fizzing
  39. not needed
  40. True

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