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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 405 · 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: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a battery cell
  3. 3.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) hydrogen (c) oxygen (d) carbon dioxide
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) sugar (d) a magnet
  5. 5.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  6. 6.True or false: curd is neutral. (a) True (b) False
  7. 7.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  8. 8.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  9. 9.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
  11. 11.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
  12. 12.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
  13. 13.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) tamarind water
  14. 14.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) a tray for spills (d) a funnel or spoon
  16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
  17. 17.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a seed
  19. 19.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) an empty bottle (c) baking soda (d) a tray for spills
  21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a magnet (d) a mirror
  23. 23.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  24. 24.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) detergent water (d) curd
  25. 25.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  26. 26.🫧 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
  27. 27.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  28. 28.True or false: soap solution is a base. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) curd (b) orange juice (c) baking soda water (d) vinegar
  30. 30.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  31. 31.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) lemon juice
  33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a funnel or spoon (d) a balloon
  34. 34.🛟 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
  35. 35.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  36. 36.🫧 Which of these is neutral? (a) baking soda water (b) orange juice (c) plain water (d) lemon juice
  37. 37.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  38. 38.⚖️ 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) False (b) True
  39. 39.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  40. 40.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) orange juice

Answer key

  1. False
  2. a battery cell
  3. carbon dioxide
  4. baking soda
  5. True
  6. False
  7. False
  8. not needed
  9. False
  10. we change it
  11. keep it away from eyes
  12. an ingredient ran out
  13. tamarind water
  14. gas is made inside
  15. a mirror
  16. it grows bigger
  17. an acid
  18. a seed
  19. they react
  20. a magnet
  21. True
  22. a tray for spills
  23. not needed
  24. detergent water
  25. needed
  26. lots of fizzy bubbles
  27. False
  28. True
  29. baking soda water
  30. True
  31. True
  32. lemon juice
  33. a comb
  34. rinse with clean water
  35. an acid
  36. plain water
  37. needed
  38. False
  39. needed
  40. orange juice

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