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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 321 · 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.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) it glows in the dark (d) nothing at all
  2. 2.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
  3. 3.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  4. 4.🫧 Which of these is an acid? (a) vinegar (b) baking soda water (c) soap solution (d) salt water
  5. 5.True or false: plain water is an acid. (a) True (b) False
  6. 6.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  7. 7.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  8. 8.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) a balloon (d) a tray for spills
  10. 10.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  11. 11.⚖️ 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
  12. 12.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) lemon juice (d) baking soda water
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
  14. 14.True or false: baking soda water is neutral. (a) True (b) False
  15. 15.🫧 Is curd an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  16. 16.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) a magnet (d) an empty bottle
  17. 17.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  18. 18.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) baking soda (d) vinegar
  20. 20.⚖️ 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
  21. 21.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  22. 22.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) a funnel or spoon (c) a balloon (d) vinegar
  23. 23.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  24. 24.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they become magnets (d) they freeze
  25. 25.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  26. 26.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  27. 27.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) sugar water (d) salt water
  28. 28.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  29. 29.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a comb (c) baking soda (d) an empty bottle
  31. 31.True or false: tamarind water is a base. (a) True (b) False
  32. 32.⚖️ 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
  33. 33.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  34. 34.⚖️ 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 same bottle (c) the kind of balloon (d) spoons of baking soda
  35. 35.⚖️ 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 keep it the same (c) we change it
  36. 36.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) an ingredient ran out (d) the bottle got tired
  37. 37.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a seed (d) a tray for spills
  39. 39.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  40. 40.🔍 Which is the odd one out? (a) sugar water (b) vinegar (c) salt water (d) plain water

Answer key

  1. lots of fizzy bubbles
  2. yes, a new gas forms
  3. True
  4. vinegar
  5. False
  6. False
  7. needed
  8. a base
  9. a comb
  10. needed
  11. we change it
  12. lemon juice
  13. we measure it
  14. False
  15. an acid
  16. a magnet
  17. neutral
  18. not needed
  19. a magnet
  20. True
  21. neutral
  22. a seed
  23. neutral
  24. they react
  25. not needed
  26. not needed
  27. baking soda water
  28. True
  29. an acid
  30. a comb
  31. False
  32. the amount of vinegar
  33. needed
  34. size of the balloon
  35. we keep it the same
  36. an ingredient ran out
  37. needed
  38. a seed
  39. not needed
  40. vinegar

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