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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 636 · 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.True or false: plain water is a base. (a) True (b) False
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) vinegar (d) a comb
  3. 3.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  4. 4.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) detergent water (d) soap solution
  5. 5.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
  6. 6.🫧 Which of these is an acid? (a) orange juice (b) detergent water (c) soap solution (d) sugar water
  7. 7.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
  8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
  9. 9.True or false: salt water is an acid. (a) True (b) False
  10. 10.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
  11. 11.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) lemon juice (d) soap solution
  12. 12.True or false: vinegar is a base. (a) False (b) True
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
  14. 14.⚖️ 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
  15. 15.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) salt water (d) plain water
  16. 16.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) soap solution (d) vinegar
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a magnet (c) a seed (d) a comb
  18. 18.⚖️ 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 keep it the same (c) we measure it
  19. 19.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) curd (d) tamarind water
  20. 20.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) no, nothing changes (d) yes, a new gas forms
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
  22. 22.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
  23. 23.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  24. 24.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) vinegar (d) a battery cell
  25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
  26. 26.⚖️ 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 amount of vinegar (c) the same bottle (d) the kind of balloon
  27. 27.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  28. 28.🫧 Which of these is a base? (a) tamarind water (b) detergent water (c) lemon juice (d) salt water
  29. 29.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  30. 30.🫧 Which of these is a base? (a) orange juice (b) soap solution (c) lemon juice (d) sugar water
  31. 31.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a mirror (d) baking soda
  34. 34.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) lemon juice (d) baking soda water
  35. 35.True or false: baking soda water is an acid. (a) False (b) True
  36. 36.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  37. 37.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a tray for spills (d) a battery cell
  38. 38.True or false: plain water is an acid. (a) False (b) True
  39. 39.🫧 Which of these is an acid? (a) detergent water (b) tamarind water (c) soap solution (d) sugar water
  40. 40.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) helium (d) oxygen

Answer key

  1. False
  2. a comb
  3. needed
  4. plain water
  5. rinse with clean water
  6. orange juice
  7. they react
  8. very little fizzing
  9. False
  10. keep it away from eyes
  11. lemon juice
  12. False
  13. the amount of vinegar
  14. we keep it the same
  15. detergent water
  16. vinegar
  17. an empty bottle
  18. we measure it
  19. baking soda water
  20. yes, a new gas forms
  21. False
  22. lots of fizzy bubbles
  23. needed
  24. vinegar
  25. the kind of balloon
  26. size of the balloon
  27. an acid
  28. detergent water
  29. not needed
  30. soap solution
  31. False
  32. needed
  33. baking soda
  34. lemon juice
  35. False
  36. needed
  37. a tray for spills
  38. False
  39. tamarind water
  40. carbon dioxide

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