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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 720 · 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.⚖️ 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
  2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
  3. 3.⚖️ 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 keep it the same (c) we measure it
  4. 4.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  5. 5.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
  6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  7. 7.⚖️ 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) spoons of baking soda (c) the same bottle (d) the kind of balloon
  8. 8.🔍 Which is the odd one out? (a) plain water (b) tamarind water (c) lemon juice (d) orange juice
  9. 9.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) plain water (d) vinegar
  10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
  11. 11.True or false: sugar water is an acid. (a) True (b) False
  12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) a tray for spills (d) a funnel or spoon
  13. 13.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a comb (d) vinegar
  15. 15.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a balloon (d) vinegar
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a battery cell (d) a balloon
  18. 18.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  19. 19.⚖️ 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
  20. 20.⚖️ 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
  21. 21.⚖️ 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
  22. 22.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  23. 23.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  24. 24.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  25. 25.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  26. 26.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) sugar water (d) detergent water
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) a tray for spills (d) vinegar
  29. 29.🛟 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
  30. 30.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  31. 31.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a mirror (d) a funnel or spoon
  32. 32.🫧 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
  33. 33.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) a balloon (d) baking soda
  35. 35.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
  36. 36.True or false: salt water is neutral. (a) False (b) True
  37. 37.🫧 Which of these is a base? (a) salt water (b) sugar water (c) baking soda water (d) curd
  38. 38.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  39. 39.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) vinegar (d) plain water
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a mirror (d) a seed

Answer key

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

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