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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 668 · 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.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
  2. 2.True or false: soap solution is a base. (a) True (b) False
  3. 3.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  4. 4.🫧 Which of these is a base? (a) vinegar (b) sugar water (c) detergent water (d) lemon juice
  5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
  6. 6.True or false: sugar water is a base. (a) False (b) True
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
  8. 8.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the bottle got tired (d) the gas froze
  9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
  10. 10.True or false: lemon juice is an acid. (a) False (b) True
  11. 11.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
  12. 12.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  13. 13.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  14. 14.⚖️ 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 same bottle (c) spoons of baking soda
  15. 15.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
  17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
  19. 19.🔍 Which is the odd one out? (a) orange juice (b) curd (c) lemon juice (d) plain water
  20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) it turns blue (d) there is no change
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a battery cell (c) vinegar (d) a funnel or spoon
  22. 22.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) salt water (d) orange juice
  23. 23.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
  25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) an empty bottle (d) baking soda
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
  27. 27.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) baking soda water (d) vinegar
  28. 28.🫧 Which of these is neutral? (a) detergent water (b) lemon juice (c) sugar water (d) orange juice
  29. 29.True or false: lemon juice is a base. (a) False (b) True
  30. 30.🫧 Which of these is an acid? (a) orange juice (b) soap solution (c) plain water (d) detergent water
  31. 31.🫧 Which of these is neutral? (a) tamarind water (b) baking soda water (c) plain water (d) orange juice
  32. 32.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) detergent water (d) soap solution
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) size of the balloon
  34. 34.🔍 Which is the odd one out? (a) curd (b) vinegar (c) orange juice (d) detergent water
  35. 35.True or false: detergent water is an acid. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) vinegar
  37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a mirror (d) baking soda
  38. 38.⚖️ 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
  39. 39.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  40. 40.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid

Answer key

  1. lots of fizzy bubbles
  2. True
  3. an acid
  4. detergent water
  5. keep it away from eyes
  6. False
  7. True
  8. an ingredient ran out
  9. very little fizzing
  10. True
  11. gas is made inside
  12. not needed
  13. not needed
  14. the same bottle
  15. True
  16. False
  17. needed
  18. carbon dioxide
  19. plain water
  20. it grows bigger
  21. a battery cell
  22. salt water
  23. needed
  24. we change it
  25. a seed
  26. spoons of baking soda
  27. baking soda water
  28. sugar water
  29. False
  30. orange juice
  31. plain water
  32. sugar water
  33. size of the balloon
  34. detergent water
  35. False
  36. vinegar
  37. a mirror
  38. True
  39. False
  40. an acid

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