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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 384 · 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.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
  2. 2.🫧 Which of these is neutral? (a) plain water (b) curd (c) orange juice (d) tamarind water
  3. 3.True or false: salt water is a base. (a) False (b) True
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
  5. 5.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  6. 6.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  7. 7.True or false: sugar water is an acid. (a) False (b) True
  8. 8.🫧 Which of these is an acid? (a) curd (b) sugar water (c) soap solution (d) baking soda water
  9. 9.True or false: vinegar is neutral. (a) True (b) False
  10. 10.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the amount of vinegar (c) the kind of balloon (d) spoons of baking soda
  12. 12.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  13. 13.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) the balloon bursts (d) a huge eruption
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) vinegar (d) a mirror
  16. 16.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  17. 17.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
  18. 18.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
  19. 19.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) tamarind water (d) curd
  20. 20.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) baking soda water (d) tamarind water
  22. 22.True or false: soap solution is neutral. (a) True (b) False
  23. 23.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
  24. 24.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  25. 25.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  26. 26.True or false: soap solution is a base. (a) True (b) False
  27. 27.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) vinegar (d) detergent water
  28. 28.🧺 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) a battery cell
  29. 29.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a mirror (d) sugar
  31. 31.🔍 Which is the odd one out? (a) vinegar (b) plain water (c) salt water (d) sugar water
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) sugar (d) a tray for spills
  33. 33.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
  34. 34.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
  35. 35.True or false: baking soda water is a base. (a) False (b) True
  36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) a comb (d) a seed
  37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
  38. 38.⚖️ 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
  39. 39.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) baking soda (c) a seed (d) a comb
  40. 40.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed

Answer key

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

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