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: size of the balloon is kept the same. (a) True (b) False
- 2.True or false: tamarind water is a base. (a) False (b) True
- 3.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
- 4.True or false: baking soda water is a base. (a) True (b) False
- 5.⚖️ 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 change it (c) we measure it
- 6.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) rinse with clean water (d) add baking soda
- 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
- 8.True or false: lemon juice is an acid. (a) False (b) True
- 9.True or false: salt water is a base. (a) True (b) False
- 10.⚖️ 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) True (b) False
- 11.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
- 12.🧺 Do we need baking soda 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 “the amount of vinegar”? (a) we keep it the same (b) we change it (c) we measure it
- 14.🔍 Which is the odd one out? (a) curd (b) soap solution (c) vinegar (d) tamarind water
- 15.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
- 16.True or false: tamarind water is neutral. (a) False (b) True
- 17.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
- 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a comb (d) an empty bottle
- 19.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
- 20.🔍 Which is the odd one out? (a) orange juice (b) vinegar (c) tamarind water (d) sugar water
- 21.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
- 22.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a mirror (d) a battery cell
- 23.⚖️ 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
- 24.🫧 Is lemon juice an acid, a base or neutral? (a) neutral (b) an acid (c) a base
- 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
- 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a balloon (d) sugar
- 27.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
- 28.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
- 29.True or false: salt water is neutral. (a) True (b) False
- 30.True or false: salt water is an acid. (a) False (b) True
- 31.⚖️ 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
- 32.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
- 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) vinegar (d) a magnet
- 34.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
- 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a mirror (d) vinegar
- 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.True or false: plain water is neutral. (a) False (b) True
- 38.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
- 39.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a funnel or spoon (c) an empty bottle (d) a seed
- 40.⚖️ 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) spoons of baking soda (c) the same bottle (d) size of the balloon
Answer key
- False
- False
- an acid
- True
- we keep it the same
- rinse with clean water
- True
- True
- False
- False
- True
- needed
- we keep it the same
- soap solution
- neutral
- False
- not needed
- a comb
- a base
- sugar water
- True
- vinegar
- we change it
- an acid
- size of the balloon
- sugar
- True
- True
- True
- False
- we keep it the same
- needed
- a magnet
- carbon dioxide
- a mirror
- the amount of vinegar
- True
- not needed
- a seed
- spoons of baking soda
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids