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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 910 · 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.🫧 Which of these is an acid? (a) tamarind water (b) plain water (c) salt water (d) baking soda water
  2. 2.True or false: plain water is a base. (a) False (b) True
  3. 3.True or false: vinegar is a base. (a) False (b) True
  4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a battery cell (c) a tray for spills (d) baking soda
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
  6. 6.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  7. 7.True or false: salt water is a base. (a) False (b) True
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  9. 9.True or false: plain water is an acid. (a) True (b) False
  10. 10.🫧 Which of these is an acid? (a) sugar water (b) salt water (c) plain water (d) orange juice
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
  12. 12.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
  14. 14.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) vinegar
  15. 15.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
  16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a balloon (d) a tray for spills
  18. 18.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) vinegar (d) a mirror
  20. 20.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  21. 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
  22. 22.🫧 Which of these is neutral? (a) orange juice (b) detergent water (c) plain water (d) baking soda water
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we change it (c) we measure it
  24. 24.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
  25. 25.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a comb (d) vinegar
  27. 27.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
  28. 28.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  29. 29.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
  30. 30.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  31. 31.🫧 Which of these is neutral? (a) lemon juice (b) tamarind water (c) soap solution (d) salt water
  32. 32.⚖️ 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
  33. 33.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  34. 34.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
  35. 35.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) curd (d) detergent water
  36. 36.True or false: orange juice is a base. (a) True (b) False
  37. 37.🔮 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
  38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) sugar (d) an empty bottle
  39. 39.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  40. 40.True or false: lemon juice is an acid. (a) True (b) False

Answer key

  1. tamarind water
  2. False
  3. False
  4. a battery cell
  5. True
  6. True
  7. False
  8. False
  9. False
  10. orange juice
  11. we keep it the same
  12. False
  13. False
  14. vinegar
  15. keep it away from eyes
  16. an acid
  17. a magnet
  18. they react
  19. a mirror
  20. needed
  21. it grows bigger
  22. plain water
  23. we keep it the same
  24. rinse with clean water
  25. True
  26. vinegar
  27. yes, a new gas forms
  28. a base
  29. True
  30. needed
  31. salt water
  32. True
  33. True
  34. very little fizzing
  35. curd
  36. False
  37. an ingredient ran out
  38. an empty bottle
  39. False
  40. True

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