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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 689 · 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) sugar (b) vinegar (c) a balloon (d) baking soda
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a tray for spills (d) vinegar
  3. 3.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
  4. 4.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) salt water (b) plain water (c) baking soda water (d) sugar water
  6. 6.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  7. 7.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  8. 8.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  9. 9.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) curd (d) lemon juice
  10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) a huge eruption (d) the balloon bursts
  11. 11.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  12. 12.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  13. 13.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a seed (d) sugar
  14. 14.🔮 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
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a tray for spills (d) a mirror
  16. 16.True or false: vinegar is an acid. (a) False (b) True
  17. 17.True or false: plain water is neutral. (a) True (b) False
  18. 18.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
  19. 19.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  20. 20.⚖️ 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 change it (c) we keep it the same
  21. 21.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  22. 22.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) baking soda (c) vinegar (d) sugar
  24. 24.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  25. 25.🔍 Which is the odd one out? (a) vinegar (b) curd (c) plain water (d) lemon juice
  26. 26.🫧 Which of these is a base? (a) tamarind water (b) sugar water (c) lemon juice (d) baking soda water
  27. 27.⚖️ 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
  28. 28.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a seed (c) a tray for spills (d) vinegar
  30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) size of the balloon
  31. 31.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it glows in the dark (d) it turns to ice
  32. 32.True or false: salt water is neutral. (a) False (b) True
  33. 33.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a comb
  34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) a balloon (d) an empty bottle
  35. 35.True or false: salt water is an acid. (a) True (b) False
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
  37. 37.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
  39. 39.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) yes, a new gas forms (d) it is only melting
  40. 40.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed

Answer key

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

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