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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 946 · 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: a balloon is not needed for the fizzy balloon. (a) True (b) False
  2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
  3. 3.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
  4. 4.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  5. 5.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
  6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) baking soda (d) a funnel or spoon
  7. 7.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) plain water
  8. 8.⚖️ 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 kind of balloon
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a mirror (d) an empty bottle
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  11. 11.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  12. 12.True or false: vinegar is an acid. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) curd (d) tamarind water
  14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a funnel or spoon (c) a mirror (d) a battery cell
  15. 15.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  17. 17.🎈 Why does the balloon blow up? (a) gas is made inside (b) outside air gets in (c) the bottle shrinks (d) vinegar is hot
  18. 18.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
  19. 19.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a comb (d) a funnel or spoon
  21. 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
  22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) an empty bottle (d) a magnet
  23. 23.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
  24. 24.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) plain water (d) sugar water
  25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a battery cell (c) an empty bottle (d) a balloon
  26. 26.True or false: tamarind water is an acid. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) vinegar
  28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) baking soda (d) a magnet
  29. 29.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  30. 30.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  31. 31.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
  33. 33.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  34. 34.True or false: soap solution is neutral. (a) True (b) False
  35. 35.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) helium (d) hydrogen
  36. 36.True or false: soap solution is a base. (a) True (b) False
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
  38. 38.🔍 Which is the odd one out? (a) curd (b) orange juice (c) detergent water (d) lemon juice
  39. 39.⚖️ 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
  40. 40.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed

Answer key

  1. False
  2. keep it away from eyes
  3. True
  4. False
  5. an ingredient ran out
  6. sugar
  7. plain water
  8. the kind of balloon
  9. a mirror
  10. True
  11. False
  12. True
  13. soap solution
  14. a funnel or spoon
  15. a base
  16. an acid
  17. gas is made inside
  18. very little fizzing
  19. rinse with clean water
  20. a comb
  21. it grows bigger
  22. a magnet
  23. lots of fizzy bubbles
  24. lemon juice
  25. a battery cell
  26. True
  27. vinegar
  28. baking soda
  29. needed
  30. not needed
  31. False
  32. True
  33. needed
  34. False
  35. carbon dioxide
  36. True
  37. we keep it the same
  38. detergent water
  39. we keep it the same
  40. needed

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