Baking Soda and Vinegar Experiment Worksheet
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.⚖️ 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
- 2.🫧 Which of these is neutral? (a) curd (b) sugar water (c) tamarind water (d) detergent water
- 3.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a seed (d) a comb
- 4.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) a funnel or spoon (c) a balloon (d) baking soda
- 5.🫧 Which of these is an acid? (a) soap solution (b) salt water (c) tamarind water (d) sugar water
- 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) vinegar (d) a comb
- 7.True or false: curd is an acid. (a) False (b) True
- 8.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
- 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) False (b) True
- 10.⚖️ 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) size of the balloon (c) the same bottle (d) spoons of baking soda
- 11.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
- 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) False (b) True
- 13.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
- 14.True or false: lemon juice is an acid. (a) True (b) False
- 15.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) salt water (d) plain water
- 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
- 17.True or false: sugar water is neutral. (a) False (b) True
- 18.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
- 19.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) keep it away from eyes (c) put it in your mouth (d) shake it near your face
- 20.⚖️ 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
- 21.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
- 22.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
- 23.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) it turns blue (c) there is no change (d) it shrinks
- 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the kind of balloon (c) spoons of baking soda (d) the amount of vinegar
- 25.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a balloon (c) a mirror (d) vinegar
- 26.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
- 27.🔍 Which is the odd one out? (a) curd (b) lemon juice (c) orange juice (d) sugar water
- 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
- 29.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) plain water (d) curd
- 30.True or false: detergent water is neutral. (a) False (b) True
- 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) a balloon (d) baking soda
- 32.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) soap solution (d) salt water
- 33.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) orange juice
- 34.True or false: soap solution is an acid. (a) False (b) True
- 35.⚖️ 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
- 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
- 37.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) detergent water (d) curd
- 38.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
- 39.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) a huge eruption (d) it turns to honey
- 40.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
Answer key
- False
- sugar water
- an empty bottle
- a magnet
- tamarind water
- a comb
- True
- False
- True
- spoons of baking soda
- False
- False
- an acid
- True
- soap solution
- we keep it the same
- True
- a base
- keep it away from eyes
- we measure it
- True
- False
- it grows bigger
- size of the balloon
- a mirror
- False
- sugar water
- we keep it the same
- curd
- False
- a mirror
- salt water
- orange juice
- False
- False
- we change it
- detergent water
- not needed
- very little fizzing
- True
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids