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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 992 · 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) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
  2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) a seed (d) a magnet
  3. 3.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) curd (d) salt water
  4. 4.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) vinegar is hot (c) gas is made inside (d) outside air gets in
  5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a tray for spills (d) a balloon
  6. 6.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  7. 7.True or false: vinegar is a base. (a) False (b) True
  8. 8.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  9. 9.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
  10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) sugar (d) a funnel or spoon
  11. 11.⚖️ 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) size of the balloon (d) the kind of balloon
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we measure it (c) we keep it the same
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
  14. 14.True or false: curd is an acid. (a) True (b) False
  15. 15.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
  16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
  18. 18.True or false: salt water is neutral. (a) True (b) False
  19. 19.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  20. 20.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
  21. 21.⚖️ 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
  22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a magnet (d) a balloon
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
  24. 24.True or false: vinegar is neutral. (a) False (b) True
  25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) an empty bottle (d) baking soda
  26. 26.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) vinegar (d) baking soda
  28. 28.🔍 Which is the odd one out? (a) vinegar (b) salt water (c) tamarind water (d) lemon juice
  29. 29.True or false: tamarind water is neutral. (a) True (b) False
  30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) spoons of baking soda (c) the same bottle (d) the amount of vinegar
  31. 31.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  32. 32.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  33. 33.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
  34. 34.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) rinse with clean water (d) add baking soda
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  36. 36.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  37. 37.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) baking soda water (d) plain water
  38. 38.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  39. 39.⚖️ 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) True (b) False
  40. 40.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid

Answer key

  1. keep it away from eyes
  2. vinegar
  3. curd
  4. gas is made inside
  5. a mirror
  6. True
  7. False
  8. an acid
  9. False
  10. sugar
  11. size of the balloon
  12. we change it
  13. the amount of vinegar
  14. True
  15. an ingredient ran out
  16. an acid
  17. it grows bigger
  18. True
  19. not needed
  20. False
  21. we measure it
  22. a balloon
  23. False
  24. False
  25. a comb
  26. neutral
  27. a magnet
  28. salt water
  29. False
  30. spoons of baking soda
  31. a base
  32. not needed
  33. yes, a new gas forms
  34. rinse with clean water
  35. True
  36. False
  37. baking soda water
  38. a base
  39. False
  40. an acid

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