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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 403 · 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? True or false: the kind of balloon is kept the same. (a) True (b) False
  2. 2.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  3. 3.🔍 Which is the odd one out? (a) curd (b) vinegar (c) tamarind water (d) sugar water
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
  5. 5.🫧 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
  6. 6.True or false: orange juice is neutral. (a) True (b) False
  7. 7.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
  8. 8.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  9. 9.🫧 Which of these is an acid? (a) sugar water (b) vinegar (c) detergent water (d) baking soda water
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
  11. 11.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  12. 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) vinegar (d) a mirror
  14. 14.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) helium (d) hydrogen
  15. 15.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  16. 16.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) salt water (d) plain water
  17. 17.⚖️ 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 kind of balloon (c) size of the balloon
  18. 18.🔮 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
  19. 19.⚖️ 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 change it (c) we measure it
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a seed (d) vinegar
  21. 21.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  22. 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
  23. 23.🫧 Which of these is neutral? (a) baking soda water (b) orange juice (c) salt water (d) tamarind water
  24. 24.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  25. 25.True or false: lemon juice is a base. (a) True (b) False
  26. 26.True or false: vinegar is an acid. (a) False (b) True
  27. 27.True or false: vinegar is a base. (a) True (b) False
  28. 28.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  29. 29.🔍 Which is the odd one out? (a) baking soda water (b) plain water (c) detergent water (d) soap solution
  30. 30.True or false: plain water is neutral. (a) False (b) True
  31. 31.🫧 Which of these is a base? (a) tamarind water (b) orange juice (c) vinegar (d) soap solution
  32. 32.⚖️ 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 keep it the same (c) we change it
  33. 33.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  34. 34.🫧 Which of these is an acid? (a) salt water (b) tamarind water (c) detergent water (d) plain water
  35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a comb (d) baking soda
  36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a magnet (d) a mirror
  37. 37.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) no, nothing changes (d) it is only melting
  38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) a balloon (d) vinegar
  39. 39.True or false: orange juice is an acid. (a) True (b) False
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a seed (d) vinegar

Answer key

  1. True
  2. not needed
  3. sugar water
  4. size of the balloon
  5. lots of fizzy bubbles
  6. False
  7. keep it away from eyes
  8. False
  9. vinegar
  10. False
  11. a base
  12. it grows bigger
  13. a mirror
  14. carbon dioxide
  15. needed
  16. lemon juice
  17. the kind of balloon
  18. very little fizzing
  19. we keep it the same
  20. a seed
  21. a base
  22. they react
  23. salt water
  24. True
  25. False
  26. True
  27. False
  28. not needed
  29. plain water
  30. True
  31. soap solution
  32. we change it
  33. neutral
  34. tamarind water
  35. a comb
  36. an empty bottle
  37. yes, a new gas forms
  38. sugar
  39. True
  40. vinegar

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