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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 64 · 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.🔮 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
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
  4. 4.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  5. 5.⚖️ 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
  6. 6.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
  7. 7.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) a seed (c) a battery cell (d) sugar
  8. 8.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) orange juice (d) lemon juice
  9. 9.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
  11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
  12. 12.True or false: detergent water is an acid. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) orange juice (b) curd (c) tamarind water (d) sugar water
  14. 14.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) gas is made inside (d) the bottle shrinks
  15. 15.True or false: curd is a base. (a) False (b) True
  16. 16.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  17. 17.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the balloon got cold (d) the bottle got tired
  18. 18.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a seed (d) a battery cell
  19. 19.⚖️ 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
  20. 20.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a magnet (d) a tray for spills
  22. 22.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  23. 23.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  24. 24.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
  25. 25.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
  26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) baking soda (c) a magnet (d) a tray for spills
  27. 27.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  28. 28.⚖️ 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
  29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a comb (d) a balloon
  30. 30.🫧 Which of these is neutral? (a) baking soda water (b) vinegar (c) curd (d) sugar water
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) baking soda (d) a mirror
  32. 32.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  33. 33.True or false: sugar water is neutral. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a funnel or spoon (d) a balloon
  35. 35.True or false: tamarind water is an acid. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) vinegar
  37. 37.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  38. 38.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
  39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar
  40. 40.🫧 Which of these is a base? (a) lemon juice (b) orange juice (c) detergent water (d) tamarind water

Answer key

  1. it grows bigger
  2. True
  3. we change it
  4. needed
  5. we measure it
  6. they react
  7. vinegar
  8. salt water
  9. needed
  10. True
  11. very little fizzing
  12. False
  13. sugar water
  14. gas is made inside
  15. False
  16. True
  17. an ingredient ran out
  18. a funnel or spoon
  19. True
  20. True
  21. a tray for spills
  22. an acid
  23. a base
  24. lots of fizzy bubbles
  25. rinse with clean water
  26. a magnet
  27. True
  28. False
  29. a comb
  30. sugar water
  31. a mirror
  32. False
  33. True
  34. a mirror
  35. True
  36. vinegar
  37. not needed
  38. keep it away from eyes
  39. the amount of vinegar
  40. detergent water

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