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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 94 · 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) False (b) True
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
  3. 3.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
  4. 4.True or false: detergent water is a base. (a) False (b) True
  5. 5.True or false: tamarind water is a base. (a) True (b) False
  6. 6.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) an empty bottle (d) a balloon
  7. 7.True or false: vinegar is a base. (a) True (b) False
  8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
  9. 9.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  10. 10.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  11. 11.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
  12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a seed (d) vinegar
  13. 13.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  14. 14.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  15. 15.⚖️ 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) False (b) True
  16. 16.⚖️ 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
  17. 17.🔮 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
  18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
  19. 19.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) it is only melting (c) yes, a new gas forms (d) no, nothing changes
  20. 20.⚖️ 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
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) a tray for spills (d) baking soda
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
  23. 23.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) lots of fizzy bubbles (d) it turns to ice
  24. 24.True or false: salt water is an acid. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) curd (d) sugar water
  26. 26.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  27. 27.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  28. 28.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  29. 29.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  30. 30.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  31. 31.🫧 Which of these is neutral? (a) detergent water (b) soap solution (c) sugar water (d) baking soda water
  32. 32.🔍 Which is the odd one out? (a) soap solution (b) plain water (c) sugar water (d) salt water
  33. 33.True or false: soap solution is neutral. (a) True (b) False
  34. 34.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  35. 35.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  39. 39.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  40. 40.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets

Answer key

  1. True
  2. the amount of vinegar
  3. rinse with clean water
  4. True
  5. False
  6. a battery cell
  7. False
  8. very little fizzing
  9. False
  10. not needed
  11. it grows bigger
  12. a seed
  13. not needed
  14. an acid
  15. False
  16. False
  17. an ingredient ran out
  18. keep it away from eyes
  19. yes, a new gas forms
  20. we change it
  21. a battery cell
  22. we keep it the same
  23. lots of fizzy bubbles
  24. False
  25. sugar water
  26. True
  27. a base
  28. not needed
  29. needed
  30. needed
  31. sugar water
  32. soap solution
  33. False
  34. neutral
  35. neutral
  36. we keep it the same
  37. we keep it the same
  38. an acid
  39. needed
  40. they react

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