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.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
- 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
- 3.🔍 Which is the odd one out? (a) soap solution (b) sugar water (c) detergent water (d) baking soda water
- 4.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) lots of fizzy bubbles (d) it glows in the dark
- 5.⚖️ 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
- 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) a funnel or spoon (d) baking soda
- 7.🫧 Which of these is a base? (a) orange juice (b) plain water (c) detergent water (d) curd
- 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) True (b) False
- 9.True or false: plain water is a base. (a) True (b) False
- 10.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) tamarind water
- 11.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) vinegar (c) a funnel or spoon (d) a battery cell
- 12.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
- 13.⚖️ 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 change it (c) we keep it the same
- 14.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a seed (d) a balloon
- 15.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
- 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
- 17.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a mirror (c) a comb (d) a seed
- 18.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) a mirror (d) sugar
- 19.🫧 Which of these is neutral? (a) detergent water (b) lemon juice (c) plain water (d) baking soda water
- 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) baking soda (d) an empty bottle
- 21.🫧 Which of these is neutral? (a) soap solution (b) sugar water (c) tamarind water (d) orange juice
- 22.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
- 23.🫧 Which of these is neutral? (a) lemon juice (b) soap solution (c) tamarind water (d) salt water
- 24.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) curd
- 25.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
- 26.⚖️ 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 amount of vinegar (c) spoons of baking soda (d) the kind of balloon
- 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
- 28.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) vinegar (c) sugar (d) a funnel or spoon
- 29.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
- 30.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) baking soda (c) a tray for spills (d) a comb
- 31.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) baking soda (c) a seed (d) a battery cell
- 32.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
- 33.🫧 Which of these is an acid? (a) salt water (b) soap solution (c) baking soda water (d) vinegar
- 34.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
- 35.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the balloon got cold (d) the gas froze
- 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the amount of vinegar
- 37.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we keep it the same (c) we measure it
- 38.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
- 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) size of the balloon (c) spoons of baking soda (d) the kind of balloon
- 40.True or false: vinegar is a base. (a) True (b) False
Answer key
- needed
- we keep it the same
- sugar water
- lots of fizzy bubbles
- True
- a mirror
- detergent water
- False
- False
- tamarind water
- a battery cell
- not needed
- we change it
- a seed
- an acid
- False
- a funnel or spoon
- a balloon
- plain water
- sugar
- sugar water
- False
- salt water
- curd
- False
- size of the balloon
- we keep it the same
- sugar
- True
- a comb
- baking soda
- keep it away from eyes
- vinegar
- a base
- an ingredient ran out
- the amount of vinegar
- we keep it the same
- needed
- spoons of baking soda
- False
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