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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 777 · 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.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
  2. 2.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a mirror (d) a tray for spills
  4. 4.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) sugar water (d) tamarind water
  5. 5.True or false: curd is an acid. (a) False (b) True
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the amount of vinegar (d) size of the balloon
  7. 7.🔍 Which is the odd one out? (a) tamarind water (b) plain water (c) sugar water (d) salt water
  8. 8.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  9. 9.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
  10. 10.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  11. 11.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  12. 12.⚖️ 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
  13. 13.True or false: salt water is an acid. (a) True (b) False
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  15. 15.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  16. 16.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  17. 17.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
  18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
  19. 19.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  20. 20.🫧 Which of these is an acid? (a) lemon juice (b) soap solution (c) baking soda water (d) detergent water
  21. 21.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  22. 22.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
  23. 23.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) an empty bottle (d) baking soda
  25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) a balloon (d) vinegar
  26. 26.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  27. 27.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
  29. 29.⚖️ 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
  30. 30.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  31. 31.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  32. 32.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  33. 33.⚖️ 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
  34. 34.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) tamarind water (d) detergent water
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
  36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a tray for spills (d) vinegar
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
  38. 38.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
  40. 40.True or false: plain water is neutral. (a) False (b) True

Answer key

  1. gas is made inside
  2. needed
  3. a tray for spills
  4. tamarind water
  5. True
  6. spoons of baking soda
  7. tamarind water
  8. needed
  9. lots of fizzy bubbles
  10. not needed
  11. False
  12. we keep it the same
  13. False
  14. False
  15. an acid
  16. needed
  17. True
  18. very little fizzing
  19. True
  20. lemon juice
  21. True
  22. yes, a new gas forms
  23. False
  24. a magnet
  25. a battery cell
  26. a base
  27. not needed
  28. we measure it
  29. False
  30. False
  31. needed
  32. neutral
  33. False
  34. detergent water
  35. the same bottle
  36. sugar
  37. False
  38. rinse with clean water
  39. we keep it the same
  40. True

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