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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 979 · 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 gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) oxygen (c) hydrogen (d) helium
  2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) a seed (d) vinegar
  3. 3.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) detergent water (d) vinegar
  4. 4.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a tray for spills (c) a mirror (d) a magnet
  6. 6.🛟 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
  7. 7.⚖️ 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) size of the balloon (c) the same bottle (d) the amount of vinegar
  8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) seal it in a glass jar (d) put it in your mouth
  9. 9.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it shrinks (c) it turns blue (d) there is no change
  10. 10.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) it is only dissolving (c) yes, a new gas forms (d) no, nothing changes
  11. 11.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  12. 12.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  13. 13.⚖️ 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
  14. 14.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) orange juice (d) salt water
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) sugar (c) a tray for spills (d) a balloon
  16. 16.True or false: curd is an acid. (a) True (b) False
  17. 17.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  18. 18.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  19. 19.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
  21. 21.⚖️ 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) the kind of balloon (d) the amount of vinegar
  22. 22.🔍 Which is the odd one out? (a) curd (b) vinegar (c) orange juice (d) baking soda water
  23. 23.📘 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
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a comb (c) baking soda (d) vinegar
  25. 25.🫧 Which of these is neutral? (a) curd (b) lemon juice (c) vinegar (d) sugar water
  26. 26.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
  27. 27.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  28. 28.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a tray for spills (d) vinegar
  30. 30.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  31. 31.🔍 Which is the odd one out? (a) orange juice (b) curd (c) lemon juice (d) soap solution
  32. 32.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
  33. 33.🫧 Which of these is an acid? (a) detergent water (b) tamarind water (c) soap solution (d) salt water
  34. 34.⚖️ 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
  35. 35.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  36. 36.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  37. 37.True or false: lemon juice is neutral. (a) False (b) True
  38. 38.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  39. 39.🔮 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
  40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False

Answer key

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

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