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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 646 · 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.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
  2. 2.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
  4. 4.🫧 Which of these is neutral? (a) plain water (b) vinegar (c) detergent water (d) lemon juice
  5. 5.⚖️ 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
  6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a balloon (d) a battery cell
  7. 7.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) plain water (d) salt water
  8. 8.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
  9. 9.True or false: sugar water is a base. (a) False (b) True
  10. 10.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  11. 11.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
  12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a balloon (c) a magnet (d) a tray for spills
  13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a funnel or spoon (c) an empty bottle (d) baking soda
  15. 15.True or false: salt water is neutral. (a) True (b) False
  16. 16.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  17. 17.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) an empty bottle (d) a tray for spills
  19. 19.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
  20. 20.⚖️ 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
  21. 21.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) orange juice (d) salt water
  22. 22.🫧 Which of these is neutral? (a) sugar water (b) orange juice (c) soap solution (d) detergent water
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the kind of balloon (c) the same bottle (d) spoons of baking soda
  24. 24.🔍 Which is the odd one out? (a) curd (b) detergent water (c) baking soda water (d) soap solution
  25. 25.True or false: vinegar is a base. (a) False (b) True
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the same bottle (c) size of the balloon
  27. 27.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  28. 28.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
  29. 29.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) plain water (d) curd
  30. 30.🫧 Which of these is neutral? (a) baking soda water (b) tamarind water (c) salt water (d) curd
  31. 31.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  32. 32.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a seed (d) vinegar
  34. 34.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  35. 35.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False
  36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a balloon (d) a mirror
  37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a mirror (d) a tray for spills
  38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a funnel or spoon (c) a balloon (d) vinegar
  39. 39.🫧 Which of these is a base? (a) lemon juice (b) curd (c) baking soda water (d) sugar water
  40. 40.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) sugar water (d) salt water

Answer key

  1. an ingredient ran out
  2. True
  3. False
  4. plain water
  5. we change it
  6. a battery cell
  7. soap solution
  8. lots of fizzy bubbles
  9. False
  10. an acid
  11. False
  12. a magnet
  13. keep it away from eyes
  14. a mirror
  15. True
  16. not needed
  17. False
  18. sugar
  19. rinse with clean water
  20. False
  21. salt water
  22. sugar water
  23. spoons of baking soda
  24. curd
  25. False
  26. the same bottle
  27. False
  28. True
  29. curd
  30. salt water
  31. needed
  32. needed
  33. a seed
  34. False
  35. True
  36. a balloon
  37. a mirror
  38. a comb
  39. baking soda water
  40. baking soda water

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