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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 386 · 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.🔮 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
  2. 2.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) carbon dioxide (c) helium (d) oxygen
  3. 3.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  4. 4.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
  5. 5.⚖️ 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
  6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a seed (d) a tray for spills
  7. 7.🫧 Which of these is an acid? (a) baking soda water (b) tamarind water (c) sugar water (d) plain water
  8. 8.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) vinegar (c) a funnel or spoon (d) baking soda
  10. 10.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) vinegar (d) a battery cell
  11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we keep it the same (c) we measure it
  13. 13.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) baking soda water (d) detergent water
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
  15. 15.True or false: soap solution is an acid. (a) False (b) True
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
  17. 17.🫧 Which of these is an acid? (a) detergent water (b) lemon juice (c) soap solution (d) salt water
  18. 18.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  19. 19.True or false: detergent water is an acid. (a) True (b) False
  20. 20.⚖️ 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
  21. 21.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  22. 22.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  23. 23.🫧 Which of these is neutral? (a) lemon juice (b) sugar water (c) baking soda water (d) vinegar
  24. 24.⚖️ 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
  25. 25.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only melting (c) no, nothing changes (d) it is only dissolving
  26. 26.⚖️ 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
  27. 27.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
  28. 28.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they float apart (d) they freeze
  29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) sugar (d) a balloon
  30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) baking soda (d) sugar
  31. 31.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  32. 32.🫧 Which of these is an acid? (a) orange juice (b) detergent water (c) sugar water (d) baking soda water
  33. 33.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
  34. 34.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a balloon (d) a comb
  36. 36.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
  37. 37.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  38. 38.True or false: salt water is an acid. (a) False (b) True
  39. 39.True or false: orange juice is an acid. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) sugar water (d) lemon juice

Answer key

  1. an ingredient ran out
  2. carbon dioxide
  3. needed
  4. not needed
  5. False
  6. a seed
  7. tamarind water
  8. neutral
  9. a mirror
  10. vinegar
  11. very little fizzing
  12. we keep it the same
  13. lemon juice
  14. rinse with clean water
  15. False
  16. False
  17. lemon juice
  18. needed
  19. False
  20. we measure it
  21. needed
  22. True
  23. sugar water
  24. True
  25. yes, a new gas forms
  26. True
  27. keep it away from eyes
  28. they react
  29. sugar
  30. baking soda
  31. an acid
  32. orange juice
  33. lots of fizzy bubbles
  34. True
  35. a comb
  36. True
  37. False
  38. False
  39. True
  40. sugar water

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