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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 45 · 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 safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
  2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a magnet (d) baking soda
  3. 3.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) an empty bottle (d) a comb
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we change it (c) we keep it the same
  6. 6.True or false: plain water is a base. (a) False (b) True
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a magnet (c) a balloon (d) a tray for spills
  8. 8.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) rub it hard (d) add baking soda
  9. 9.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) plain water (d) detergent water
  10. 10.True or false: curd is neutral. (a) True (b) False
  11. 11.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
  12. 12.True or false: tamarind water is an acid. (a) True (b) False
  13. 13.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  14. 14.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) tamarind water (d) curd
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
  16. 16.True or false: lemon juice is an acid. (a) True (b) False
  17. 17.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  18. 18.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a funnel or spoon (d) sugar
  20. 20.🫧 Which of these is neutral? (a) plain water (b) vinegar (c) soap solution (d) curd
  21. 21.🫧 Which of these is an acid? (a) vinegar (b) plain water (c) baking soda water (d) soap solution
  22. 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they freeze (d) they float apart
  23. 23.⚖️ 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 same bottle (c) spoons of baking soda (d) the amount of vinegar
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) the kind of balloon (d) spoons of baking soda
  25. 25.True or false: curd is an acid. (a) True (b) False
  26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) an empty bottle (d) sugar
  27. 27.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) carbon dioxide (d) oxygen
  29. 29.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
  31. 31.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  32. 32.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
  33. 33.True or false: vinegar is an acid. (a) False (b) True
  34. 34.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) a huge eruption (d) very little fizzing
  35. 35.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a battery cell (d) baking soda
  37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) a magnet (d) a balloon
  38. 38.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  39. 39.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  40. 40.⚖️ 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

Answer key

  1. keep it away from eyes
  2. baking soda
  3. needed
  4. a comb
  5. we keep it the same
  6. False
  7. a magnet
  8. rinse with clean water
  9. plain water
  10. False
  11. lots of fizzy bubbles
  12. True
  13. not needed
  14. salt water
  15. False
  16. True
  17. not needed
  18. not needed
  19. a funnel or spoon
  20. plain water
  21. vinegar
  22. they react
  23. spoons of baking soda
  24. size of the balloon
  25. True
  26. sugar
  27. a base
  28. carbon dioxide
  29. needed
  30. we keep it the same
  31. a base
  32. an ingredient ran out
  33. True
  34. very little fizzing
  35. False
  36. a battery cell
  37. a balloon
  38. True
  39. needed
  40. we change it

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