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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 945 · 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.True or false: orange juice is an acid. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) vinegar
  3. 3.🫧 Which of these is an acid? (a) plain water (b) salt water (c) sugar water (d) orange juice
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) vinegar (d) a battery cell
  5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) a tray for spills (d) baking soda
  6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
  7. 7.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a battery cell (c) an empty bottle (d) a comb
  9. 9.True or false: baking soda water is an acid. (a) False (b) True
  10. 10.True or false: baking soda water is neutral. (a) False (b) True
  11. 11.⚖️ 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
  12. 12.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  13. 13.🫧 Which of these is a base? (a) lemon juice (b) plain water (c) orange juice (d) soap solution
  14. 14.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  15. 15.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) vinegar (d) plain water
  16. 16.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) plain water (d) sugar water
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a balloon (d) a seed
  18. 18.⚖️ 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 same bottle (c) size of the balloon
  19. 19.True or false: sugar water is an acid. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) sugar water (b) baking soda water (c) plain water (d) salt water
  21. 21.🔮 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
  22. 22.⚖️ 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 amount of vinegar
  23. 23.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  24. 24.True or false: baking soda water is a base. (a) True (b) False
  25. 25.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
  26. 26.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
  27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
  28. 28.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
  29. 29.True or false: salt water is an acid. (a) False (b) True
  30. 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
  31. 31.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a funnel or spoon (d) a mirror
  33. 33.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  34. 34.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  35. 35.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  36. 36.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) detergent water (d) lemon juice
  37. 37.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  38. 38.⚖️ 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
  39. 39.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
  40. 40.⚖️ 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

Answer key

  1. True
  2. vinegar
  3. orange juice
  4. vinegar
  5. sugar
  6. size of the balloon
  7. False
  8. an empty bottle
  9. False
  10. False
  11. False
  12. False
  13. soap solution
  14. False
  15. vinegar
  16. lemon juice
  17. a seed
  18. the same bottle
  19. False
  20. baking soda water
  21. it grows bigger
  22. the amount of vinegar
  23. a base
  24. True
  25. True
  26. carbon dioxide
  27. very little fizzing
  28. an ingredient ran out
  29. False
  30. keep it away from eyes
  31. True
  32. a mirror
  33. an acid
  34. needed
  35. needed
  36. lemon juice
  37. a base
  38. True
  39. spoons of baking soda
  40. False

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