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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 283 · 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 of these is an acid? (a) orange juice (b) plain water (c) sugar water (d) soap solution
  2. 2.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) sugar water (b) curd (c) salt water (d) plain water
  4. 4.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) a seed (d) a balloon
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we keep it the same (c) we measure it
  6. 6.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  7. 7.⚖️ 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
  8. 8.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  9. 9.🔍 Which is the odd one out? (a) salt water (b) baking soda water (c) sugar water (d) plain water
  10. 10.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) tamarind water (d) soap solution
  11. 11.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) sugar (c) a mirror (d) a seed
  12. 12.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) yes, a new gas forms (d) it is only melting
  13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
  14. 14.⚖️ 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
  15. 15.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  16. 16.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) vinegar (b) sugar (c) a mirror (d) a magnet
  18. 18.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
  19. 19.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we change it (c) we measure it
  21. 21.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
  22. 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
  23. 23.True or false: detergent water is a base. (a) False (b) True
  24. 24.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
  25. 25.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) curd (d) sugar water
  26. 26.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
  27. 27.⚖️ 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
  28. 28.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  29. 29.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  30. 30.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  31. 31.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
  32. 32.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
  33. 33.True or false: a mirror is needed for the fizzy balloon. (a) True (b) False
  34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a seed (c) baking soda (d) an empty bottle
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the same bottle (c) the amount of vinegar (d) size of the balloon
  36. 36.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  37. 37.⚖️ 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
  38. 38.🫧 Which of these is an acid? (a) tamarind water (b) salt water (c) soap solution (d) sugar water
  39. 39.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  40. 40.True or false: a comb is needed for the fizzy balloon. (a) True (b) False

Answer key

  1. orange juice
  2. True
  3. curd
  4. a seed
  5. we keep it the same
  6. needed
  7. True
  8. not needed
  9. baking soda water
  10. soap solution
  11. baking soda
  12. yes, a new gas forms
  13. False
  14. False
  15. neutral
  16. lots of fizzy bubbles
  17. vinegar
  18. True
  19. False
  20. we measure it
  21. keep it away from eyes
  22. they react
  23. True
  24. False
  25. curd
  26. very little fizzing
  27. False
  28. an acid
  29. needed
  30. not needed
  31. needed
  32. an ingredient ran out
  33. False
  34. a seed
  35. size of the balloon
  36. needed
  37. True
  38. tamarind water
  39. True
  40. False

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