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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 157 · 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.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
  2. 2.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
  3. 3.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  5. 5.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a battery cell (d) a tray for spills
  6. 6.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) sugar (c) a balloon (d) a magnet
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
  8. 8.🛟 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
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
  10. 10.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  11. 11.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  12. 12.True or false: salt water is an acid. (a) True (b) False
  13. 13.True or false: soap solution is a base. (a) False (b) True
  14. 14.⚖️ 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
  15. 15.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  16. 16.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
  17. 17.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  18. 18.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
  19. 19.🫧 Which of these is neutral? (a) orange juice (b) salt water (c) lemon juice (d) baking soda water
  20. 20.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
  21. 21.⚖️ 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 change it (c) we measure it
  22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  23. 23.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the gas froze (d) the bottle got tired
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) a tray for spills (d) vinegar
  25. 25.🫧 Which of these is a base? (a) baking soda water (b) plain water (c) vinegar (d) lemon juice
  26. 26.⚖️ 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
  27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
  28. 28.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  29. 29.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  30. 30.True or false: lemon juice is an acid. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) baking soda water (d) salt water
  32. 32.⚖️ 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
  33. 33.⚖️ 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
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) detergent water (b) salt water (c) soap solution (d) baking soda water
  36. 36.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  39. 39.🔍 Which is the odd one out? (a) vinegar (b) plain water (c) salt water (d) sugar water
  40. 40.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True

Answer key

  1. they react
  2. rinse with clean water
  3. False
  4. needed
  5. a tray for spills
  6. a balloon
  7. we keep it the same
  8. keep it away from eyes
  9. False
  10. an acid
  11. not needed
  12. False
  13. True
  14. False
  15. not needed
  16. carbon dioxide
  17. needed
  18. yes, a new gas forms
  19. salt water
  20. gas is made inside
  21. we keep it the same
  22. needed
  23. an ingredient ran out
  24. a magnet
  25. baking soda water
  26. True
  27. it grows bigger
  28. an acid
  29. an acid
  30. True
  31. baking soda water
  32. we measure it
  33. False
  34. True
  35. salt water
  36. not needed
  37. we keep it the same
  38. not needed
  39. vinegar
  40. False

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