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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 135 · 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.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
  2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
  3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
  4. 4.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  5. 5.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) a comb (d) a magnet
  6. 6.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
  8. 8.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) a seed (d) sugar
  10. 10.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
  11. 11.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) plain water (d) curd
  12. 12.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  13. 13.⚖️ 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
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
  16. 16.⚖️ 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
  17. 17.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  18. 18.True or false: curd is an acid. (a) True (b) False
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a funnel or spoon (c) a tray for spills (d) baking soda
  20. 20.📘 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
  21. 21.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) it glows in the dark (d) nothing at all
  22. 22.🔍 Which is the odd one out? (a) plain water (b) soap solution (c) detergent water (d) baking soda water
  23. 23.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  24. 24.🫧 Which of these is an acid? (a) soap solution (b) baking soda water (c) vinegar (d) salt water
  25. 25.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) salt water (d) plain water
  26. 26.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a seed (c) a tray for spills (d) vinegar
  28. 28.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  29. 29.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) detergent water (d) vinegar
  30. 30.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  31. 31.True or false: soap solution is a base. (a) True (b) False
  32. 32.🫧 Which of these is neutral? (a) curd (b) vinegar (c) orange juice (d) sugar water
  33. 33.⚖️ 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
  34. 34.True or false: baking soda water is an acid. (a) False (b) True
  35. 35.True or false: salt water is neutral. (a) False (b) True
  36. 36.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  37. 37.True or false: plain water is neutral. (a) True (b) False
  38. 38.⚖️ 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
  39. 39.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
  40. 40.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed

Answer key

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

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