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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 220 · 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.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
  2. 2.🧺 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 balloon (d) a battery cell
  3. 3.True or false: baking soda water is a base. (a) False (b) True
  4. 4.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
  6. 6.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a seed (d) vinegar
  7. 7.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
  8. 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
  9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the kind of balloon (b) the amount of vinegar (c) size of the balloon (d) the same bottle
  10. 10.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
  11. 11.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they float apart (d) they become magnets
  12. 12.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  13. 13.🔍 Which is the odd one out? (a) lemon juice (b) sugar water (c) plain water (d) salt water
  14. 14.True or false: lemon juice is neutral. (a) True (b) False
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a comb (d) baking soda
  16. 16.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
  17. 17.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  18. 18.🫧 Which of these is an acid? (a) tamarind water (b) soap solution (c) detergent water (d) baking soda water
  19. 19.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
  20. 20.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  21. 21.📘 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
  22. 22.🔍 Which is the odd one out? (a) curd (b) baking soda water (c) vinegar (d) lemon juice
  23. 23.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) curd
  24. 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) a tray for spills (d) a funnel or spoon
  25. 25.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a tray for spills (c) sugar (d) a mirror
  26. 26.🫧 Which of these is a base? (a) plain water (b) vinegar (c) baking soda water (d) lemon juice
  27. 27.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
  28. 28.True or false: detergent water is an acid. (a) False (b) True
  29. 29.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  30. 30.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  31. 31.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a tray for spills (d) a magnet
  32. 32.⚖️ 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
  33. 33.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
  35. 35.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  36. 36.🧺 Do we need sugar 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: the kind of balloon is what we measure. (a) False (b) True
  38. 38.⚖️ 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
  39. 39.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
  40. 40.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) put it in your mouth (c) keep it away from eyes (d) shake it near your face

Answer key

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

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