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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 453 · 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.⚖️ 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 keep it the same (c) we measure it
  2. 2.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a battery cell (d) baking soda
  4. 4.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) spoons of baking soda (c) the same bottle (d) size of the balloon
  6. 6.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a seed (d) a funnel or spoon
  8. 8.🫧 Which of these is a base? (a) baking soda water (b) lemon juice (c) curd (d) sugar water
  9. 9.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  10. 10.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  11. 11.True or false: salt water is neutral. (a) True (b) False
  12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) vinegar (d) baking soda
  13. 13.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
  14. 14.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) curd (d) baking soda water
  15. 15.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
  16. 16.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  17. 17.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
  18. 18.⚖️ 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
  19. 19.True or false: orange juice is a base. (a) False (b) True
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
  21. 21.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  22. 22.True or false: baking soda water is neutral. (a) True (b) False
  23. 23.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  24. 24.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) plain water (d) lemon juice
  25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
  26. 26.⚖️ 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
  27. 27.⚖️ 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
  28. 28.True or false: orange juice is an acid. (a) True (b) False
  29. 29.True or false: lemon juice is neutral. (a) True (b) False
  30. 30.True or false: detergent water is an acid. (a) False (b) True
  31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
  32. 32.🔍 Which is the odd one out? (a) salt water (b) soap solution (c) plain water (d) sugar water
  33. 33.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
  34. 34.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  35. 35.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) ignore it (d) rub it hard
  36. 36.🫧 Which of these is an acid? (a) plain water (b) tamarind water (c) sugar water (d) salt water
  37. 37.True or false: sugar water is an acid. (a) False (b) True
  38. 38.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
  39. 39.🫧 Which of these is neutral? (a) orange juice (b) baking soda water (c) lemon juice (d) sugar water
  40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a balloon (c) a funnel or spoon (d) baking soda

Answer key

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

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