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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 8 · 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 of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a mirror
  2. 2.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  3. 3.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the balloon got cold (c) the bottle got tired (d) the gas froze
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) a battery cell (d) baking soda
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
  6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  7. 7.True or false: salt water is a base. (a) False (b) True
  8. 8.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
  9. 9.True or false: vinegar is neutral. (a) True (b) False
  10. 10.True or false: detergent water is a base. (a) False (b) True
  11. 11.True or false: lemon juice is neutral. (a) True (b) False
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) orange juice (b) tamarind water (c) curd (d) baking soda water
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
  15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
  16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a magnet (c) vinegar (d) an empty bottle
  17. 17.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  18. 18.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the same bottle
  20. 20.🫧 Which of these is a base? (a) curd (b) tamarind water (c) lemon juice (d) baking soda water
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) sugar (c) vinegar (d) an empty bottle
  22. 22.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
  23. 23.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  24. 24.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
  25. 25.True or false: salt water is neutral. (a) True (b) False
  26. 26.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
  27. 27.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
  28. 28.⚖️ 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
  29. 29.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) hydrogen (d) carbon dioxide
  30. 30.⚖️ 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 measure it (c) we change it
  31. 31.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a seed (c) a tray for spills (d) a balloon
  33. 33.🫧 Which of these is neutral? (a) orange juice (b) vinegar (c) sugar water (d) lemon juice
  34. 34.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) soap solution (d) detergent water
  35. 35.🫧 Which of these is an acid? (a) soap solution (b) orange juice (c) salt water (d) sugar water
  36. 36.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  37. 37.⚖️ 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
  38. 38.True or false: tamarind water is a base. (a) True (b) False
  39. 39.True or false: baking soda water is neutral. (a) False (b) True
  40. 40.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

Answer key

  1. a mirror
  2. an acid
  3. an ingredient ran out
  4. a battery cell
  5. False
  6. not needed
  7. False
  8. yes, a new gas forms
  9. False
  10. True
  11. False
  12. False
  13. baking soda water
  14. the same bottle
  15. keep it away from eyes
  16. a magnet
  17. True
  18. True
  19. spoons of baking soda
  20. baking soda water
  21. sugar
  22. True
  23. an acid
  24. gas is made inside
  25. True
  26. lots of fizzy bubbles
  27. True
  28. we keep it the same
  29. carbon dioxide
  30. we change it
  31. a base
  32. a seed
  33. sugar water
  34. sugar water
  35. orange juice
  36. neutral
  37. False
  38. False
  39. False
  40. a base

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