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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 692 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) carbon dioxide (d) helium
  2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a comb (d) an empty bottle
  3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a balloon (d) a seed
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
  5. 5.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  6. 6.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) baking soda water (d) salt water
  7. 7.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  8. 8.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
  10. 10.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  11. 11.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  12. 12.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
  13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) an empty bottle (d) a mirror
  14. 14.🫧 Which of these is neutral? (a) orange juice (b) plain water (c) soap solution (d) lemon juice
  15. 15.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) nothing at all (d) it glows in the dark
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
  17. 17.🔍 Which is the odd one out? (a) detergent water (b) sugar water (c) baking soda water (d) soap solution
  18. 18.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  19. 19.True or false: detergent water is a base. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) lemon juice
  21. 21.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  22. 22.🫧 Which of these is a base? (a) salt water (b) detergent water (c) lemon juice (d) curd
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a comb (d) a magnet
  24. 24.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  25. 25.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
  29. 29.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face
  30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a magnet (d) a tray for spills
  31. 31.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
  32. 32.True or false: detergent water is neutral. (a) True (b) False
  33. 33.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) plain water (d) tamarind water
  34. 34.True or false: vinegar is an acid. (a) False (b) True
  35. 35.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  37. 37.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) salt water (d) curd
  38. 38.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  39. 39.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  40. 40.🫧 Which of these is an acid? (a) plain water (b) lemon juice (c) sugar water (d) baking soda water

Answer key

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

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