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