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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 769 · 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.

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

Answer key

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

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