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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 111 · 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.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  2. 2.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  3. 3.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  4. 4.🔮 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
  5. 5.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  6. 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a comb (d) a tray for spills
  8. 8.🛟 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
  9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
  10. 10.True or false: salt water is an acid. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) curd (b) salt water (c) lemon juice (d) orange juice
  12. 12.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
  13. 13.True or false: orange juice is neutral. (a) False (b) True
  14. 14.True or false: lemon juice is an acid. (a) True (b) False
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
  16. 16.True or false: baking soda water is neutral. (a) False (b) True
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a mirror
  18. 18.🫧 Which of these is neutral? (a) lemon juice (b) vinegar (c) soap solution (d) sugar water
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a balloon (d) baking soda
  20. 20.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) soap solution (d) detergent water
  21. 21.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a mirror (d) baking soda
  22. 22.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  23. 23.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  24. 24.🫧 Which of these is a base? (a) salt water (b) vinegar (c) tamarind water (d) soap solution
  25. 25.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  26. 26.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
  27. 27.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they become magnets (d) they freeze
  28. 28.🫧 Which of these is a base? (a) lemon juice (b) curd (c) baking soda water (d) vinegar
  29. 29.🫧 Which of these is an acid? (a) lemon juice (b) soap solution (c) sugar water (d) plain water
  30. 30.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
  31. 31.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a funnel or spoon (d) sugar
  33. 33.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  34. 34.⚖️ 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 measure it (c) we change it
  35. 35.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
  38. 38.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  39. 39.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  40. 40.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed

Answer key

  1. True
  2. not needed
  3. True
  4. very little fizzing
  5. not needed
  6. carbon dioxide
  7. a comb
  8. keep it away from eyes
  9. it grows bigger
  10. False
  11. salt water
  12. rinse with clean water
  13. False
  14. True
  15. False
  16. False
  17. a mirror
  18. sugar water
  19. a magnet
  20. tamarind water
  21. baking soda
  22. an acid
  23. an acid
  24. soap solution
  25. False
  26. yes, a new gas forms
  27. they react
  28. baking soda water
  29. lemon juice
  30. an ingredient ran out
  31. a base
  32. sugar
  33. False
  34. we change it
  35. not needed
  36. size of the balloon
  37. we keep it the same
  38. not needed
  39. True
  40. not needed

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