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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 53 · 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) an ingredient ran out (c) the balloon got cold (d) the bottle got tired
  2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a balloon (c) an empty bottle (d) baking soda
  3. 3.🔍 Which is the odd one out? (a) curd (b) plain water (c) lemon juice (d) orange juice
  4. 4.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
  5. 5.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
  6. 6.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  7. 7.⚖️ 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
  8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) an empty bottle (d) a battery cell
  9. 9.True or false: curd is an acid. (a) True (b) False
  10. 10.True or false: lemon juice is an acid. (a) True (b) False
  11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
  12. 12.🫧 Which of these is a base? (a) lemon juice (b) salt water (c) baking soda water (d) vinegar
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a tray for spills (d) a comb
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
  16. 16.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a seed (d) vinegar
  18. 18.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) curd (d) plain water
  19. 19.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) detergent water (d) orange juice
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  21. 21.True or false: curd is a base. (a) True (b) False
  22. 22.True or false: salt water is neutral. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) plain water (b) lemon juice (c) sugar water (d) salt water
  24. 24.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they react (d) they become magnets
  25. 25.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  26. 26.True or false: vinegar is an acid. (a) False (b) True
  27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it grows bigger (c) it turns blue (d) it shrinks
  28. 28.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  29. 29.True or false: vinegar is a base. (a) False (b) True
  30. 30.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  31. 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a balloon (d) a magnet
  32. 32.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  33. 33.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
  34. 34.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) keep it away from eyes (d) seal it in a glass jar
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) True (b) False
  36. 36.True or false: detergent water is a base. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) curd (b) vinegar (c) orange juice (d) soap solution
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
  39. 39.🔍 Which is the odd one out? (a) curd (b) vinegar (c) detergent water (d) orange juice
  40. 40.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) curd (d) plain water

Answer key

  1. an ingredient ran out
  2. a magnet
  3. plain water
  4. True
  5. very little fizzing
  6. False
  7. True
  8. a battery cell
  9. True
  10. True
  11. we keep it the same
  12. baking soda water
  13. a comb
  14. rinse with clean water
  15. False
  16. needed
  17. vinegar
  18. curd
  19. orange juice
  20. True
  21. False
  22. True
  23. lemon juice
  24. they react
  25. an acid
  26. True
  27. it grows bigger
  28. a base
  29. False
  30. an acid
  31. a magnet
  32. False
  33. lots of fizzy bubbles
  34. keep it away from eyes
  35. False
  36. True
  37. soap solution
  38. we change it
  39. detergent water
  40. curd

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