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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 38 · 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.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
  2. 2.⚖️ 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
  3. 3.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a magnet (d) an empty bottle
  5. 5.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) sugar water (d) salt water
  6. 6.🫧 Which of these is neutral? (a) baking soda water (b) tamarind water (c) salt water (d) orange juice
  7. 7.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
  9. 9.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) salt water (d) lemon juice
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
  11. 11.True or false: tamarind water is neutral. (a) True (b) False
  12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a balloon (c) a mirror (d) sugar
  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.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  15. 15.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) the same bottle
  17. 17.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) curd (d) plain water
  18. 18.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) tamarind water (d) plain water
  19. 19.True or false: plain water is an acid. (a) False (b) True
  20. 20.True or false: vinegar is a base. (a) True (b) False
  21. 21.True or false: orange juice is an acid. (a) False (b) True
  22. 22.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  23. 23.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
  24. 24.⚖️ 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
  25. 25.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  26. 26.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
  27. 27.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  29. 29.True or false: sugar water is an acid. (a) False (b) True
  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 change it (c) we keep it the same
  31. 31.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  32. 32.True or false: orange juice is a base. (a) True (b) False
  33. 33.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
  34. 34.🫧 Which of these is neutral? (a) curd (b) orange juice (c) plain water (d) soap solution
  35. 35.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
  36. 36.True or false: detergent water is neutral. (a) True (b) False
  37. 37.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) soap solution (d) orange juice
  38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) sugar (d) a funnel or spoon
  39. 39.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  40. 40.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base

Answer key

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

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