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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 871 · 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 neutral. (a) False (b) True
  2. 2.📘 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
  3. 3.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
  4. 4.⚖️ 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
  5. 5.🔮 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
  6. 6.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  7. 7.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) vinegar (c) a funnel or spoon (d) a tray for spills
  8. 8.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  9. 9.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  10. 10.True or false: tamarind water is neutral. (a) True (b) False
  11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a battery cell (c) a balloon (d) baking soda
  12. 12.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
  13. 13.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
  14. 14.⚖️ 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 amount of vinegar (c) size of the balloon (d) the kind of balloon
  15. 15.True or false: vinegar is an acid. (a) True (b) False
  16. 16.🫧 Which of these is a base? (a) vinegar (b) detergent water (c) orange juice (d) sugar water
  17. 17.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) lemon juice
  18. 18.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  19. 19.⚖️ 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) True (b) False
  20. 20.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a seed (c) baking soda (d) a comb
  22. 22.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
  23. 23.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) lots of fizzy bubbles (d) nothing at all
  24. 24.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) curd (b) sugar water (c) salt water (d) plain water
  26. 26.🫧 Which of these is neutral? (a) tamarind water (b) detergent water (c) salt water (d) baking soda water
  27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
  28. 28.True or false: detergent water is an acid. (a) True (b) False
  29. 29.🧺 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) sugar
  30. 30.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  31. 31.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
  32. 32.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
  33. 33.True or false: sugar water is a base. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) sugar water (b) detergent water (c) baking soda water (d) soap solution
  35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) the amount of vinegar (d) spoons of baking soda
  36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) vinegar (c) an empty bottle (d) a seed
  37. 37.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
  38. 38.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) add baking soda (c) rub it hard (d) rinse with clean water
  39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) a funnel or spoon (d) a comb
  40. 40.⚖️ 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 keep it the same (c) we change it

Answer key

  1. True
  2. they react
  3. carbon dioxide
  4. we measure it
  5. an ingredient ran out
  6. False
  7. a mirror
  8. an acid
  9. False
  10. False
  11. a battery cell
  12. an acid
  13. needed
  14. size of the balloon
  15. True
  16. detergent water
  17. lemon juice
  18. not needed
  19. False
  20. neutral
  21. baking soda
  22. keep it away from eyes
  23. lots of fizzy bubbles
  24. True
  25. curd
  26. salt water
  27. very little fizzing
  28. False
  29. sugar
  30. not needed
  31. True
  32. False
  33. False
  34. sugar water
  35. spoons of baking soda
  36. a seed
  37. False
  38. rinse with clean water
  39. a comb
  40. we change it

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