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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 125 · 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 the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
  2. 2.True or false: baking soda water is neutral. (a) False (b) True
  3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) a funnel or spoon (d) an empty bottle
  4. 4.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
  5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) a huge eruption (d) very little fizzing
  6. 6.True or false: salt water is neutral. (a) False (b) True
  7. 7.⚖️ 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
  8. 8.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  9. 9.🫧 Which of these is neutral? (a) vinegar (b) salt water (c) soap solution (d) baking soda water
  10. 10.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) sugar (c) a balloon (d) a funnel or spoon
  12. 12.True or false: plain water is a base. (a) True (b) False
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
  14. 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) baking soda (d) a seed
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a balloon (d) sugar
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  17. 17.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  18. 18.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  19. 19.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  20. 20.True or false: sugar water is neutral. (a) False (b) True
  21. 21.True or false: soap solution is neutral. (a) False (b) True
  22. 22.🫧 Which of these is a base? (a) orange juice (b) detergent water (c) vinegar (d) tamarind water
  23. 23.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) an ingredient ran out (d) the balloon got cold
  24. 24.True or false: sugar water is an acid. (a) False (b) True
  25. 25.⚖️ 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
  26. 26.⚖️ 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 amount of vinegar (d) size of the balloon
  27. 27.🔍 Which is the odd one out? (a) sugar water (b) orange juice (c) salt water (d) plain water
  28. 28.🛟 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
  29. 29.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
  30. 30.🫧 Which of these is neutral? (a) soap solution (b) sugar water (c) lemon juice (d) detergent water
  31. 31.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) a balloon (d) a tray for spills
  33. 33.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  34. 34.⚖️ 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) True (b) False
  35. 35.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a funnel or spoon (c) a magnet (d) a seed
  36. 36.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
  37. 37.True or false: soap solution is a base. (a) True (b) False
  38. 38.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  39. 39.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  40. 40.🛟 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

Answer key

  1. yes, a new gas forms
  2. False
  3. a mirror
  4. lots of fizzy bubbles
  5. very little fizzing
  6. True
  7. we change it
  8. not needed
  9. salt water
  10. a base
  11. sugar
  12. False
  13. the kind of balloon
  14. a seed
  15. a balloon
  16. True
  17. needed
  18. needed
  19. an acid
  20. True
  21. False
  22. detergent water
  23. an ingredient ran out
  24. False
  25. False
  26. spoons of baking soda
  27. orange juice
  28. rinse with clean water
  29. True
  30. sugar water
  31. False
  32. a magnet
  33. False
  34. False
  35. a funnel or spoon
  36. True
  37. True
  38. an acid
  39. False
  40. keep it away from eyes

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