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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 841 · 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) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
  2. 2.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) curd
  3. 3.🫧 Which of these is an acid? (a) plain water (b) sugar water (c) vinegar (d) detergent water
  4. 4.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  5. 5.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  6. 6.🫧 Which of these is neutral? (a) baking soda water (b) curd (c) plain water (d) orange juice
  7. 7.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  8. 8.🫧 Which of these is neutral? (a) lemon juice (b) curd (c) sugar water (d) soap solution
  9. 9.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  10. 10.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  11. 11.🫧 Which of these is neutral? (a) salt water (b) vinegar (c) tamarind water (d) detergent water
  12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) vinegar (c) baking soda (d) a tray for spills
  13. 13.True or false: orange juice is an acid. (a) False (b) True
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a tray for spills (c) a funnel or spoon (d) an empty bottle
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a comb (d) a balloon
  16. 16.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a seed (c) a comb (d) a tray for spills
  17. 17.⚖️ 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
  18. 18.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
  19. 19.True or false: vinegar is an acid. (a) False (b) True
  20. 20.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
  21. 21.⚖️ 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 amount of vinegar
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
  23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) vinegar (d) baking soda
  24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
  25. 25.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  26. 26.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
  27. 27.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  28. 28.⚖️ 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) True (b) False
  29. 29.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
  30. 30.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  31. 31.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  32. 32.True or false: baking soda water is a base. (a) True (b) False
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) a seed (d) a magnet
  34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  35. 35.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) orange juice (d) lemon juice
  36. 36.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  37. 37.🫧 Which of these is a base? (a) lemon juice (b) vinegar (c) soap solution (d) salt water
  38. 38.🔍 Which is the odd one out? (a) sugar water (b) curd (c) salt water (d) plain water
  39. 39.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  40. 40.True or false: plain water is neutral. (a) False (b) True

Answer key

  1. rinse with clean water
  2. curd
  3. vinegar
  4. an acid
  5. neutral
  6. plain water
  7. True
  8. sugar water
  9. False
  10. False
  11. salt water
  12. a magnet
  13. True
  14. sugar
  15. a comb
  16. a tray for spills
  17. we measure it
  18. gas is made inside
  19. True
  20. they react
  21. the amount of vinegar
  22. we change it
  23. a magnet
  24. it grows bigger
  25. not needed
  26. keep it away from eyes
  27. needed
  28. False
  29. carbon dioxide
  30. an acid
  31. neutral
  32. True
  33. baking soda
  34. needed
  35. baking soda water
  36. a base
  37. soap solution
  38. curd
  39. not needed
  40. True

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