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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 223 · 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.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  2. 2.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  3. 3.True or false: curd is a base. (a) False (b) True
  4. 4.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) vinegar (d) soap solution
  5. 5.True or false: sugar water is a base. (a) True (b) False
  6. 6.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
  8. 8.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the same bottle
  9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
  10. 10.True or false: sugar water is an acid. (a) True (b) False
  11. 11.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  12. 12.True or false: tamarind water is an acid. (a) False (b) True
  13. 13.🫧 Which of these is neutral? (a) vinegar (b) lemon juice (c) plain water (d) curd
  14. 14.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) lemon juice (d) plain water
  15. 15.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they become magnets (c) they freeze (d) they react
  16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a mirror (c) vinegar (d) a tray for spills
  17. 17.🔮 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
  18. 18.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  19. 19.🔍 Which is the odd one out? (a) salt water (b) detergent water (c) soap solution (d) baking soda water
  20. 20.⚖️ 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
  21. 21.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  22. 22.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  23. 23.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  24. 24.🔍 Which is the odd one out? (a) orange juice (b) sugar water (c) vinegar (d) lemon juice
  25. 25.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
  26. 26.⚖️ 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
  27. 27.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) baking soda (d) vinegar
  29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
  30. 30.⚖️ 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
  31. 31.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a battery cell (d) a mirror
  32. 32.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) sugar
  34. 34.🫧 Which of these is an acid? (a) plain water (b) tamarind water (c) sugar water (d) soap solution
  35. 35.True or false: plain water is a base. (a) True (b) False
  36. 36.True or false: salt water is neutral. (a) False (b) True
  37. 37.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
  38. 38.🔍 Which is the odd one out? (a) lemon juice (b) baking soda water (c) curd (d) vinegar
  39. 39.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  40. 40.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed

Answer key

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

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