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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 350 · 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) baking soda (b) a balloon (c) a comb (d) vinegar
  2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a mirror (c) a seed (d) an empty bottle
  3. 3.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
  4. 4.🔍 Which is the odd one out? (a) sugar water (b) curd (c) salt water (d) plain water
  5. 5.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  6. 6.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
  8. 8.🫧 Which of these is neutral? (a) tamarind water (b) orange juice (c) lemon juice (d) plain water
  9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a battery cell (d) vinegar
  10. 10.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
  12. 12.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  13. 13.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the amount of vinegar (c) the kind of balloon (d) spoons of baking soda
  15. 15.True or false: plain water is neutral. (a) True (b) False
  16. 16.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  17. 17.True or false: vinegar is neutral. (a) True (b) False
  18. 18.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  19. 19.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) it turns to honey (c) very little fizzing (d) a huge eruption
  20. 20.⚖️ 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 change it (c) we keep it the same
  21. 21.🔍 Which is the odd one out? (a) baking soda water (b) lemon juice (c) soap solution (d) detergent water
  22. 22.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
  24. 24.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) plain water
  25. 25.True or false: sugar water is an acid. (a) True (b) False
  26. 26.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  27. 27.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a mirror (c) baking soda (d) a magnet
  28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they become magnets (d) they float apart
  29. 29.📘 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 dissolving (d) it is only melting
  30. 30.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
  31. 31.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  32. 32.True or false: baking soda water is a base. (a) True (b) False
  33. 33.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
  34. 34.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  35. 35.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  36. 36.🫧 Which of these is a base? (a) curd (b) plain water (c) lemon juice (d) detergent water
  37. 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the same bottle
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) salt water (b) lemon juice (c) tamarind water (d) vinegar
  40. 40.🫧 Is curd an acid, a base or neutral? (a) an acid (b) neutral (c) a base

Answer key

  1. a comb
  2. an empty bottle
  3. rinse with clean water
  4. curd
  5. needed
  6. False
  7. False
  8. plain water
  9. a battery cell
  10. False
  11. False
  12. False
  13. True
  14. spoons of baking soda
  15. True
  16. False
  17. False
  18. not needed
  19. very little fizzing
  20. we measure it
  21. lemon juice
  22. neutral
  23. False
  24. plain water
  25. False
  26. False
  27. baking soda
  28. they react
  29. yes, a new gas forms
  30. lots of fizzy bubbles
  31. neutral
  32. True
  33. we change it
  34. a base
  35. an acid
  36. detergent water
  37. size of the balloon
  38. False
  39. salt water
  40. an acid

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