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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 131 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) baking soda (d) sugar
  2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a funnel or spoon (d) sugar
  3. 3.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
  4. 4.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  5. 5.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  6. 6.True or false: baking soda water is an acid. (a) False (b) True
  7. 7.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  8. 8.🫧 Which of these is a base? (a) detergent water (b) vinegar (c) lemon juice (d) plain water
  9. 9.⚖️ 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
  10. 10.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  11. 11.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
  12. 12.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a mirror (c) baking soda (d) an empty bottle
  14. 14.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) soap solution (d) orange juice
  15. 15.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) orange juice (d) plain water
  16. 16.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) vinegar (c) baking soda (d) a tray for spills
  18. 18.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) spoons of baking soda (c) size of the balloon (d) the amount of vinegar
  20. 20.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  21. 21.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) baking soda water (d) detergent water
  22. 22.⚖️ 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 change it (c) we keep it the same
  23. 23.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  24. 24.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
  25. 25.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  26. 26.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  27. 27.🔍 Which is the odd one out? (a) orange juice (b) baking soda water (c) lemon juice (d) tamarind water
  28. 28.🫧 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
  29. 29.True or false: sugar water is an acid. (a) False (b) True
  30. 30.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  31. 31.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
  32. 32.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
  33. 33.🫧 Which of these is neutral? (a) orange juice (b) vinegar (c) curd (d) plain water
  34. 34.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
  35. 35.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) very little fizzing (c) a huge eruption (d) it turns to honey
  36. 36.True or false: tamarind water is a base. (a) True (b) False
  37. 37.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  38. 38.True or false: soap solution is an acid. (a) False (b) True
  39. 39.🫧 Which of these is a base? (a) plain water (b) lemon juice (c) baking soda water (d) tamarind water
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a seed (c) a balloon (d) a tray for spills

Answer key

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

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