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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 762 · 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.True or false: sugar water is a base. (a) True (b) False
  2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
  3. 3.📘 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
  4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the amount of vinegar (c) the same bottle (d) the kind of balloon
  5. 5.⚖️ 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 same bottle
  6. 6.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
  7. 7.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) an empty bottle (d) sugar
  8. 8.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
  9. 9.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  10. 10.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
  11. 11.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) lemon juice (d) plain water
  12. 12.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
  13. 13.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  14. 14.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
  15. 15.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
  16. 16.True or false: a magnet is not needed for the fizzy balloon. (a) True (b) False
  17. 17.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  18. 18.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) an empty bottle (d) vinegar
  20. 20.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a battery cell (d) an empty bottle
  22. 22.True or false: soap solution is neutral. (a) True (b) False
  23. 23.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  24. 24.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they become magnets (d) they react
  25. 25.⚖️ 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
  26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a mirror (d) vinegar
  27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
  28. 28.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  29. 29.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  30. 30.True or false: baking soda water is a base. (a) True (b) False
  31. 31.🫧 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
  32. 32.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  33. 33.🔍 Which is the odd one out? (a) vinegar (b) orange juice (c) baking soda water (d) lemon juice
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) curd
  36. 36.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  37. 37.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  38. 38.🫧 Which of these is an acid? (a) baking soda water (b) orange juice (c) sugar water (d) soap solution
  39. 39.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
  40. 40.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) tamarind water (d) plain water

Answer key

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

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