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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 503 · 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 is the odd one out? (a) salt water (b) detergent water (c) sugar water (d) plain water
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
  3. 3.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  4. 4.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  5. 5.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) the amount of vinegar
  7. 7.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the gas froze (d) the balloon got cold
  8. 8.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
  9. 9.True or false: plain water is an acid. (a) True (b) False
  10. 10.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  11. 11.True or false: tamarind water is a base. (a) False (b) True
  12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a mirror
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) sugar (d) baking soda
  15. 15.True or false: vinegar is an acid. (a) False (b) True
  16. 16.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
  17. 17.🔍 Which is the odd one out? (a) curd (b) vinegar (c) plain water (d) lemon juice
  18. 18.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a seed (d) baking soda
  20. 20.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
  21. 21.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
  22. 22.🫧 Which of these is an acid? (a) vinegar (b) plain water (c) salt water (d) baking soda water
  23. 23.🔮 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
  24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
  25. 25.🎈 Why does the balloon blow up? (a) gas is made inside (b) vinegar is hot (c) the bottle shrinks (d) outside air gets in
  26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen
  27. 27.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  28. 28.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  29. 29.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
  30. 30.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) a magnet (d) a tray for spills
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a seed (c) a tray for spills (d) a funnel or spoon
  32. 32.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) soap solution
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a tray for spills (d) a funnel or spoon
  34. 34.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) tamarind water (d) orange juice
  35. 35.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
  37. 37.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  38. 38.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) an empty bottle (c) a comb (d) a tray for spills
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) a funnel or spoon (d) baking soda
  40. 40.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed

Answer key

  1. detergent water
  2. the amount of vinegar
  3. not needed
  4. a base
  5. True
  6. spoons of baking soda
  7. an ingredient ran out
  8. they react
  9. False
  10. True
  11. False
  12. a mirror
  13. False
  14. sugar
  15. True
  16. keep it away from eyes
  17. plain water
  18. True
  19. a seed
  20. True
  21. rinse with clean water
  22. vinegar
  23. very little fizzing
  24. it grows bigger
  25. gas is made inside
  26. carbon dioxide
  27. not needed
  28. not needed
  29. lots of fizzy bubbles
  30. a magnet
  31. a seed
  32. soap solution
  33. a magnet
  34. salt water
  35. vinegar
  36. False
  37. a base
  38. a comb
  39. a mirror
  40. needed

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