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Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 114 · 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 of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) baking soda (d) a seed
  2. 2.🫧 Which of these is an acid? (a) sugar water (b) soap solution (c) lemon juice (d) salt water
  3. 3.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the gas froze (c) the bottle got tired (d) the balloon got cold
  4. 4.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
  5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
  6. 6.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) keep it away from eyes (d) shake it near your face
  7. 7.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they float apart (c) they become magnets (d) they react
  8. 8.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  9. 9.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
  10. 10.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
  11. 11.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
  12. 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the amount of vinegar (c) the same bottle (d) spoons of baking soda
  13. 13.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a seed (c) vinegar (d) an empty bottle
  14. 14.⚖️ 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
  15. 15.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
  16. 16.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) the balloon bursts (c) very little fizzing (d) a huge eruption
  17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) vinegar (d) an empty bottle
  18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) an empty bottle (d) a funnel or spoon
  19. 19.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
  20. 20.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
  21. 21.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
  22. 22.True or false: tamarind water is neutral. (a) False (b) True
  23. 23.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a magnet (d) sugar
  24. 24.🫧 Which of these is neutral? (a) soap solution (b) lemon juice (c) vinegar (d) salt water
  25. 25.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) soap solution (d) tamarind water
  26. 26.🔍 Which is the odd one out? (a) curd (b) orange juice (c) lemon juice (d) detergent water
  27. 27.🔮 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
  28. 28.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
  29. 29.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
  30. 30.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) outside air gets in (d) gas is made inside
  31. 31.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) an empty bottle (d) a balloon
  33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a comb (c) a balloon (d) a magnet
  34. 34.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  35. 35.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) an acid (c) neutral
  36. 36.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) it turns to ice (d) nothing at all
  37. 37.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
  38. 38.🫧 Which of these is an acid? (a) sugar water (b) orange juice (c) soap solution (d) baking soda water
  39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a funnel or spoon (c) sugar (d) a seed
  40. 40.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed

Answer key

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

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