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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 254 · 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: salt water is a base. (a) True (b) False
  2. 2.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
  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 react (d) they float apart
  4. 4.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a comb (d) a battery cell
  5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) seal it in a glass jar (d) put it in your mouth
  6. 6.⚖️ 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
  7. 7.True or false: baking soda water is neutral. (a) True (b) False
  8. 8.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) sugar (c) a funnel or spoon (d) an empty bottle
  10. 10.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
  11. 11.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
  12. 12.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) an ingredient ran out (c) the gas froze (d) the bottle got tired
  13. 13.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
  14. 14.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
  15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a tray for spills (c) a funnel or spoon (d) an empty bottle
  16. 16.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
  17. 17.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  18. 18.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a mirror (d) baking soda
  19. 19.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
  20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
  21. 21.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
  22. 22.🔍 Which is the odd one out? (a) curd (b) vinegar (c) plain water (d) orange juice
  23. 23.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
  24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we keep it the same (c) we change it
  25. 25.⚖️ 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 kind of balloon
  26. 26.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  27. 27.True or false: baking soda water is a base. (a) True (b) False
  28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
  29. 29.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  30. 30.⚖️ 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
  31. 31.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it grows bigger (d) it shrinks
  32. 32.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) vinegar (d) salt water
  33. 33.🫧 Which of these is neutral? (a) curd (b) vinegar (c) salt water (d) lemon juice
  34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) spoons of baking soda (d) size of the balloon
  35. 35.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) sugar (b) baking soda (c) vinegar (d) an empty bottle
  37. 37.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) baking soda (d) a magnet
  38. 38.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) salt water (d) baking soda water
  39. 39.True or false: lemon juice is neutral. (a) True (b) False
  40. 40.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed

Answer key

  1. False
  2. not needed
  3. they react
  4. vinegar
  5. keep it away from eyes
  6. False
  7. False
  8. not needed
  9. sugar
  10. lots of fizzy bubbles
  11. True
  12. an ingredient ran out
  13. True
  14. not needed
  15. a seed
  16. True
  17. an acid
  18. baking soda
  19. an acid
  20. False
  21. rinse with clean water
  22. plain water
  23. False
  24. we measure it
  25. the kind of balloon
  26. True
  27. True
  28. we change it
  29. a base
  30. False
  31. it grows bigger
  32. vinegar
  33. salt water
  34. size of the balloon
  35. False
  36. sugar
  37. a magnet
  38. baking soda water
  39. False
  40. needed

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