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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 655 · 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.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
  2. 2.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
  3. 3.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
  4. 4.True or false: salt water is neutral. (a) False (b) True
  5. 5.🫧 Which of these is a base? (a) sugar water (b) detergent water (c) curd (d) orange juice
  6. 6.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) sugar water
  7. 7.🫧 Which of these is a base? (a) lemon juice (b) tamarind water (c) salt water (d) baking soda water
  8. 8.⚖️ 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
  9. 9.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
  10. 10.🔍 Which is the odd one out? (a) orange juice (b) lemon juice (c) plain water (d) curd
  11. 11.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a funnel or spoon (c) a magnet (d) a seed
  12. 12.True or false: soap solution is a base. (a) False (b) True
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a tray for spills (d) a mirror
  14. 14.True or false: vinegar is an acid. (a) True (b) False
  15. 15.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a comb (c) a mirror (d) sugar
  16. 16.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
  17. 17.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
  18. 18.🔍 Which is the odd one out? (a) tamarind water (b) lemon juice (c) soap solution (d) orange juice
  19. 19.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
  20. 20.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
  21. 21.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
  22. 22.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
  23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
  24. 24.🔮 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
  25. 25.🫧 Which of these is an acid? (a) detergent water (b) lemon juice (c) soap solution (d) plain water
  26. 26.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
  27. 27.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) a seed (d) a mirror
  28. 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) carbon dioxide (b) hydrogen (c) oxygen (d) helium
  29. 29.🫧 Is curd an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  30. 30.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
  31. 31.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
  32. 32.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
  33. 33.🛟 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
  34. 34.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
  35. 35.🫧 Is detergent water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
  36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a tray for spills (c) a battery cell (d) a balloon
  37. 37.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) no, nothing changes (c) it is only dissolving (d) it is only melting
  38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
  39. 39.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
  40. 40.⚖️ 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

Answer key

  1. needed
  2. lots of fizzy bubbles
  3. needed
  4. True
  5. detergent water
  6. sugar water
  7. baking soda water
  8. we change it
  9. not needed
  10. plain water
  11. a funnel or spoon
  12. True
  13. a mirror
  14. True
  15. baking soda
  16. very little fizzing
  17. needed
  18. soap solution
  19. rinse with clean water
  20. False
  21. False
  22. it grows bigger
  23. True
  24. an ingredient ran out
  25. lemon juice
  26. False
  27. an empty bottle
  28. carbon dioxide
  29. an acid
  30. False
  31. True
  32. True
  33. keep it away from eyes
  34. not needed
  35. a base
  36. a battery cell
  37. yes, a new gas forms
  38. True
  39. needed
  40. the kind of balloon

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