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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 262 · 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.🫧 Is plain water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) keep it away from eyes (d) put it in your mouth
  3. 3.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they float apart (d) they react
  4. 4.🔮 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 shrinks (d) it turns blue
  5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) a magnet (d) vinegar
  6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) a mirror
  7. 7.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  8. 8.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  9. 9.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a seed (c) a magnet (d) baking soda
  10. 10.⚖️ 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
  11. 11.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a comb (d) a tray for spills
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a tray for spills (c) an empty bottle (d) a seed
  14. 14.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) rinse with clean water (d) ignore it
  15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
  16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
  17. 17.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
  18. 18.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
  19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) a balloon (d) baking soda
  20. 20.True or false: curd is neutral. (a) True (b) False
  21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) an empty bottle (d) a seed
  22. 22.True or false: lemon juice is an acid. (a) False (b) True
  23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) a seed
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
  25. 25.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  26. 26.True or false: baking soda water is a base. (a) False (b) True
  27. 27.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  28. 28.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  29. 29.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
  30. 30.⚖️ 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 measure it (c) we keep it the same
  31. 31.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  32. 32.True or false: soap solution is neutral. (a) False (b) True
  33. 33.🫧 Which of these is an acid? (a) vinegar (b) detergent water (c) sugar water (d) soap solution
  34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  35. 35.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) sugar water (d) baking soda water
  36. 36.True or false: orange juice is a base. (a) True (b) False
  37. 37.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
  38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a funnel or spoon (d) sugar
  39. 39.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) hydrogen (d) oxygen
  40. 40.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) gas is made inside (c) vinegar is hot (d) outside air gets in

Answer key

  1. neutral
  2. keep it away from eyes
  3. they react
  4. it grows bigger
  5. a magnet
  6. a mirror
  7. neutral
  8. False
  9. baking soda
  10. we keep it the same
  11. not needed
  12. a comb
  13. a seed
  14. rinse with clean water
  15. False
  16. False
  17. needed
  18. lots of fizzy bubbles
  19. a battery cell
  20. False
  21. an empty bottle
  22. True
  23. a seed
  24. True
  25. not needed
  26. True
  27. True
  28. True
  29. needed
  30. we measure it
  31. not needed
  32. False
  33. vinegar
  34. needed
  35. sugar water
  36. False
  37. an ingredient ran out
  38. a funnel or spoon
  39. carbon dioxide
  40. gas is made inside

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