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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 253 · 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.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
  3. 3.⚖️ 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
  4. 4.True or false: detergent water is an acid. (a) False (b) True
  5. 5.⚖️ 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 keep it the same (c) we measure it
  6. 6.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) an empty bottle (c) baking soda (d) a balloon
  8. 8.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
  9. 9.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
  10. 10.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
  11. 11.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) no, nothing changes (c) it is only melting (d) yes, a new gas forms
  12. 12.True or false: plain water is neutral. (a) False (b) True
  13. 13.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
  14. 14.⚖️ 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
  15. 15.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
  16. 16.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  17. 17.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  18. 18.⚖️ 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
  19. 19.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
  21. 21.True or false: soap solution is a base. (a) True (b) False
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we change it (c) we keep it the same
  23. 23.🫧 Which of these is a base? (a) curd (b) salt water (c) baking soda water (d) sugar water
  24. 24.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  25. 25.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  26. 26.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  27. 27.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) vinegar (d) orange juice
  28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  29. 29.True or false: sugar water is neutral. (a) False (b) True
  30. 30.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it turns to ice (c) it glows in the dark (d) nothing at all
  31. 31.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) lemon juice (d) plain water
  32. 32.🫧 Which of these is an acid? (a) sugar water (b) vinegar (c) soap solution (d) salt water
  33. 33.True or false: baking soda water is a base. (a) True (b) False
  34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a balloon (d) a magnet
  35. 35.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  36. 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  38. 38.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
  39. 39.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) a tray for spills (c) a balloon (d) an empty bottle

Answer key

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

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