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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 420 · 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: sugar water is a base. (a) True (b) False
  2. 2.🫧 Which of these is neutral? (a) soap solution (b) baking soda water (c) curd (d) plain water
  3. 3.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a mirror (c) sugar (d) baking soda
  5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) an empty bottle (d) a seed
  6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) an empty bottle (d) vinegar
  7. 7.📘 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
  8. 8.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  9. 9.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
  10. 10.🛟 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
  11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
  12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a tray for spills (d) a battery cell
  16. 16.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  17. 17.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  18. 18.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) gas is made inside (d) vinegar is hot
  19. 19.🫧 Which of these is an acid? (a) curd (b) baking soda water (c) soap solution (d) salt water
  20. 20.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) plain water (d) tamarind water
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  22. 22.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  23. 23.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
  25. 25.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
  26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) baking soda (d) a funnel or spoon
  27. 27.True or false: baking soda water is neutral. (a) False (b) True
  28. 28.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) a funnel or spoon (d) vinegar
  29. 29.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  30. 30.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  31. 31.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) baking soda water (d) orange juice
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a comb (c) a balloon (d) a funnel or spoon
  34. 34.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the same bottle (d) the amount of vinegar
  36. 36.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  37. 37.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
  38. 38.True or false: plain water is an acid. (a) False (b) True
  39. 39.True or false: curd is a base. (a) True (b) False
  40. 40.True or false: vinegar is an acid. (a) True (b) False

Answer key

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

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