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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 727 · 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) a tray for spills (b) an empty bottle (c) a magnet (d) baking soda
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the amount of vinegar (c) the same bottle (d) size of the balloon
  3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a battery cell (d) baking soda
  4. 4.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  5. 5.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
  7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
  8. 8.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) plain water (d) soap solution
  9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a balloon (d) a mirror
  10. 10.🫧 Which of these is neutral? (a) lemon juice (b) vinegar (c) tamarind water (d) plain water
  11. 11.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) sugar water (d) orange juice
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the same bottle
  13. 13.True or false: detergent water is neutral. (a) True (b) False
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
  15. 15.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  16. 16.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) an empty bottle (d) a comb
  17. 17.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
  18. 18.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) detergent water
  19. 19.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  20. 20.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  21. 21.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  22. 22.🛟 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
  23. 23.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  24. 24.True or false: baking soda water is an acid. (a) False (b) True
  25. 25.⚖️ 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) False (b) True
  26. 26.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) sugar water (d) vinegar
  27. 27.True or false: salt water is an acid. (a) True (b) False
  28. 28.🫧 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
  29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) baking soda (d) a comb
  30. 30.True or false: curd is a base. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) soap solution (d) detergent water
  32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a tray for spills (d) sugar
  34. 34.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  35. 35.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
  36. 36.⚖️ 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 keep it the same (c) we change it
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon
  38. 38.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  39. 39.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  40. 40.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid

Answer key

  1. a magnet
  2. spoons of baking soda
  3. a battery cell
  4. not needed
  5. True
  6. we keep it the same
  7. it grows bigger
  8. tamarind water
  9. a balloon
  10. plain water
  11. orange juice
  12. size of the balloon
  13. False
  14. rinse with clean water
  15. not needed
  16. an empty bottle
  17. an ingredient ran out
  18. detergent water
  19. False
  20. True
  21. needed
  22. keep it away from eyes
  23. False
  24. False
  25. False
  26. sugar water
  27. False
  28. lots of fizzy bubbles
  29. baking soda
  30. False
  31. plain water
  32. needed
  33. sugar
  34. an acid
  35. yes, a new gas forms
  36. we keep it the same
  37. the kind of balloon
  38. needed
  39. needed
  40. an acid

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