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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 966 · 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.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
  2. 2.🫧 Which of these is a base? (a) curd (b) vinegar (c) sugar water (d) baking soda water
  3. 3.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
  5. 5.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
  6. 6.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) the balloon bursts (d) it turns to honey
  7. 7.True or false: soap solution is a base. (a) True (b) False
  8. 8.🔮 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
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a tray for spills (c) baking soda (d) vinegar
  10. 10.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  11. 11.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
  12. 12.True or false: curd is an acid. (a) False (b) True
  13. 13.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
  15. 15.🫧 Which of these is a base? (a) soap solution (b) tamarind water (c) curd (d) plain water
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
  17. 17.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  18. 18.🔍 Which is the odd one out? (a) curd (b) orange juice (c) tamarind water (d) sugar water
  19. 19.⚖️ 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) False (b) True
  20. 20.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  21. 21.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  22. 22.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a battery cell (d) a magnet
  24. 24.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) sugar (d) vinegar
  26. 26.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
  27. 27.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) detergent water (d) soap solution
  29. 29.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  30. 30.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
  33. 33.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) baking soda (d) a balloon
  35. 35.True or false: baking soda water is a base. (a) False (b) True
  36. 36.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  37. 37.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  38. 38.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  39. 39.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  40. 40.🔍 Which is the odd one out? (a) vinegar (b) curd (c) lemon juice (d) detergent water

Answer key

  1. keep it away from eyes
  2. baking soda water
  3. an ingredient ran out
  4. we keep it the same
  5. False
  6. very little fizzing
  7. True
  8. it grows bigger
  9. a comb
  10. False
  11. lots of fizzy bubbles
  12. True
  13. neutral
  14. False
  15. soap solution
  16. we keep it the same
  17. an acid
  18. sugar water
  19. False
  20. an acid
  21. an acid
  22. False
  23. a tray for spills
  24. needed
  25. vinegar
  26. True
  27. True
  28. orange juice
  29. not needed
  30. neutral
  31. True
  32. we keep it the same
  33. an acid
  34. sugar
  35. True
  36. not needed
  37. needed
  38. not needed
  39. not needed
  40. detergent water

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