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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 905 · 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.⚖️ 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
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
  3. 3.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  4. 4.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  5. 5.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
  6. 6.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) baking soda water (d) detergent water
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) a balloon (d) baking soda
  8. 8.⚖️ 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) spoons of baking soda (d) the kind of balloon
  9. 9.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  10. 10.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) orange juice (d) vinegar
  11. 11.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  12. 12.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  13. 13.True or false: vinegar is a base. (a) False (b) True
  14. 14.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  15. 15.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
  16. 16.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a mirror (d) vinegar
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) baking soda (d) a magnet
  18. 18.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a mirror (d) baking soda
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
  21. 21.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) True (b) False
  23. 23.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  24. 24.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  25. 25.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  26. 26.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) it glows in the dark (d) lots of fizzy bubbles
  27. 27.True or false: vinegar is neutral. (a) False (b) True
  28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a comb (d) sugar
  29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) a balloon (d) a funnel or spoon
  30. 30.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon
  32. 32.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) it is only dissolving (d) yes, a new gas forms
  33. 33.🫧 Which of these is neutral? (a) salt water (b) baking soda water (c) tamarind water (d) lemon juice
  34. 34.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  35. 35.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) sugar (d) baking soda
  36. 36.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
  37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a battery cell (d) a funnel or spoon
  38. 38.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) vinegar (d) orange juice
  39. 39.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
  40. 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a battery cell (d) baking soda

Answer key

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

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