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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 833 · 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 needed for the fizzy balloon? (a) a balloon (b) sugar (c) a comb (d) a battery cell
  2. 2.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
  3. 3.⚖️ 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) spoons of baking soda (c) the kind of balloon (d) size of the balloon
  4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
  6. 6.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) sugar (d) a seed
  8. 8.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) the balloon bursts (d) it turns to honey
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a mirror (d) a tray for spills
  10. 10.🫧 Which of these is neutral? (a) detergent water (b) orange juice (c) salt water (d) soap solution
  11. 11.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
  12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a balloon (c) baking soda (d) an empty bottle
  13. 13.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
  14. 14.True or false: vinegar is a base. (a) False (b) True
  15. 15.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) baking soda (d) a funnel or spoon
  16. 16.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  17. 17.🫧 Which of these is neutral? (a) detergent water (b) plain water (c) curd (d) tamarind water
  18. 18.🔮 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
  19. 19.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) sugar water (d) plain water
  20. 20.🔍 Which is the odd one out? (a) lemon juice (b) salt water (c) tamarind water (d) vinegar
  21. 21.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
  22. 22.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a magnet (d) vinegar
  24. 24.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  25. 25.⚖️ 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
  26. 26.⚖️ 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
  27. 27.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  28. 28.True or false: tamarind water is an acid. (a) True (b) False
  29. 29.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) no, nothing changes (c) yes, a new gas forms (d) it is only dissolving
  30. 30.🫧 Which of these is a base? (a) orange juice (b) baking soda water (c) curd (d) tamarind water
  31. 31.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the bottle got tired (d) the gas froze
  32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) a tray for spills (d) a magnet
  33. 33.True or false: sugar water is an acid. (a) False (b) True
  34. 34.True or false: vinegar is an acid. (a) True (b) False
  35. 35.⚖️ 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
  36. 36.True or false: curd is a base. (a) True (b) False
  37. 37.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  38. 38.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  39. 39.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
  40. 40.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False

Answer key

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

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