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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 85 · 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 of these is neutral? (a) curd (b) baking soda water (c) salt water (d) lemon juice
  2. 2.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  3. 3.True or false: tamarind water is an acid. (a) True (b) False
  4. 4.🫧 Which of these is a base? (a) sugar water (b) baking soda water (c) tamarind water (d) plain water
  5. 5.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
  6. 6.🔮 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
  7. 7.True or false: soap solution is an acid. (a) True (b) False
  8. 8.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  9. 9.🔍 Which is the odd one out? (a) baking soda water (b) salt water (c) soap solution (d) detergent water
  10. 10.True or false: plain water is a base. (a) True (b) False
  11. 11.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  12. 12.🛟 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
  13. 13.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  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.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
  16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
  18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) rub it hard (d) ignore it
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) size of the balloon
  20. 20.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
  22. 22.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
  23. 23.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  24. 24.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  25. 25.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) plain water (d) sugar water
  26. 26.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it grows bigger (d) it turns blue
  28. 28.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  29. 29.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) baking soda water (d) lemon juice
  30. 30.⚖️ 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
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  32. 32.⚖️ 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) True (b) False
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
  34. 34.True or false: baking soda water is an acid. (a) True (b) False
  35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a mirror (d) an empty bottle
  36. 36.True or false: sugar water is a base. (a) True (b) False
  37. 37.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  38. 38.🫧 Which of these is a base? (a) detergent water (b) plain water (c) curd (d) tamarind water
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
  40. 40.🫧 Which of these is an acid? (a) vinegar (b) plain water (c) salt water (d) baking soda water

Answer key

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

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