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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 708 · 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.True or false: plain water is an acid. (a) False (b) True
  2. 2.⚖️ 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
  3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they react (c) they float apart (d) they become magnets
  4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a mirror (d) a funnel or spoon
  5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) very little fizzing (d) it turns to honey
  6. 6.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  7. 7.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  8. 8.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a comb (d) a balloon
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
  10. 10.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
  11. 11.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) it shrinks (d) there is no change
  12. 12.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
  15. 15.🫧 Which of these is a base? (a) salt water (b) orange juice (c) tamarind water (d) baking soda water
  16. 16.⚖️ 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
  17. 17.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) tamarind water (d) detergent water
  18. 18.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  19. 19.📘 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
  20. 20.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) size of the balloon (d) the kind of balloon
  23. 23.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
  24. 24.True or false: tamarind water is an acid. (a) True (b) False
  25. 25.True or false: lemon juice is an acid. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) lemon juice (b) tamarind water (c) soap solution (d) curd
  27. 27.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  28. 28.🫧 Which of these is neutral? (a) baking soda water (b) detergent water (c) orange juice (d) salt water
  29. 29.🧺 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) a balloon (d) a comb
  30. 30.🫧 Which of these is neutral? (a) baking soda water (b) vinegar (c) plain water (d) tamarind water
  31. 31.🫧 Is curd an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  32. 32.True or false: vinegar is neutral. (a) False (b) True
  33. 33.True or false: curd is an acid. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) soap solution (b) salt water (c) baking soda water (d) detergent water
  35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) baking soda (d) a tray for spills
  36. 36.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a magnet (d) vinegar
  37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a funnel or spoon (c) a balloon (d) an empty bottle
  38. 38.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) plain water (d) orange juice
  39. 39.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  40. 40.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

Answer key

  1. False
  2. spoons of baking soda
  3. they react
  4. a mirror
  5. very little fizzing
  6. neutral
  7. True
  8. a balloon
  9. we measure it
  10. True
  11. it grows bigger
  12. an acid
  13. True
  14. rinse with clean water
  15. baking soda water
  16. False
  17. tamarind water
  18. False
  19. yes, a new gas forms
  20. not needed
  21. keep it away from eyes
  22. size of the balloon
  23. sugar water
  24. True
  25. True
  26. soap solution
  27. not needed
  28. salt water
  29. a comb
  30. plain water
  31. an acid
  32. False
  33. True
  34. salt water
  35. a magnet
  36. vinegar
  37. a battery cell
  38. orange juice
  39. needed
  40. a base

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