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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 921 · 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 is the odd one out? (a) vinegar (b) salt water (c) plain water (d) sugar water
  2. 2.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
  3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the kind of balloon (d) the amount of vinegar
  4. 4.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
  5. 5.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
  6. 6.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) False (b) True
  8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) an empty bottle (d) a magnet
  9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
  10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a battery cell (d) a funnel or spoon
  11. 11.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
  12. 12.🛟 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
  13. 13.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  14. 14.🔍 Which is the odd one out? (a) detergent water (b) lemon juice (c) orange juice (d) tamarind water
  15. 15.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) the gas froze (d) an ingredient ran out
  16. 16.True or false: salt water is a base. (a) False (b) True
  17. 17.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) vinegar (d) sugar
  18. 18.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
  19. 19.True or false: detergent water is a base. (a) False (b) True
  20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a seed (d) a funnel or spoon
  21. 21.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
  22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the amount of vinegar (d) the same bottle
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda
  24. 24.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  25. 25.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
  26. 26.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they react (c) they freeze (d) they float apart
  27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) an empty bottle (d) baking soda
  28. 28.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  29. 29.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) orange juice (d) salt water
  30. 30.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) vinegar (d) an empty bottle
  31. 31.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
  32. 32.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) an empty bottle (d) sugar
  34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a comb (d) a seed
  35. 35.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  36. 36.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
  37. 37.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is the one thing we change. (a) False (b) True
  39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) baking soda (d) a mirror
  40. 40.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid

Answer key

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

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