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.🔍 Which is the odd one out? (a) plain water (b) salt water (c) orange juice (d) sugar water
- 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) the amount of vinegar (d) spoons of baking soda
- 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) sugar (d) vinegar
- 4.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
- 5.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
- 6.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they freeze (b) they become magnets (c) they react (d) they float apart
- 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) baking soda (c) a funnel or spoon (d) a balloon
- 8.🔍 Which is the odd one out? (a) baking soda water (b) tamarind water (c) vinegar (d) curd
- 9.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
- 10.True or false: baking soda water is a base. (a) False (b) True
- 11.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
- 12.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
- 13.🛟 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
- 14.🫧 Which of these is neutral? (a) plain water (b) soap solution (c) baking soda water (d) lemon juice
- 15.🫧 Which of these is a base? (a) plain water (b) detergent water (c) tamarind water (d) vinegar
- 16.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
- 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the amount of vinegar (c) size of the balloon
- 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we change it (c) we measure it
- 19.⚖️ 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
- 20.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
- 21.⚖️ 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
- 22.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
- 23.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
- 24.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
- 25.True or false: detergent water is neutral. (a) False (b) True
- 26.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) sugar (c) an empty bottle (d) a funnel or spoon
- 27.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a balloon (d) a magnet
- 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) oxygen (c) carbon dioxide (d) helium
- 29.🫧 Which of these is an acid? (a) detergent water (b) sugar water (c) orange juice (d) plain water
- 30.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) it turns to ice (d) nothing at all
- 31.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) salt water
- 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) a seed (d) baking soda
- 33.True or false: vinegar is an acid. (a) True (b) False
- 34.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
- 35.🫧 Which of these is an acid? (a) curd (b) salt water (c) plain water (d) detergent water
- 36.🫧 Which of these is an acid? (a) sugar water (b) tamarind water (c) detergent water (d) baking soda water
- 37.True or false: salt water is neutral. (a) False (b) True
- 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
- 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) a battery cell (d) vinegar
- 40.True or false: orange juice is an acid. (a) False (b) True
Answer key
- orange juice
- spoons of baking soda
- sugar
- False
- not needed
- they react
- a mirror
- baking soda water
- needed
- True
- needed
- False
- keep it away from eyes
- plain water
- detergent water
- a base
- the amount of vinegar
- we keep it the same
- we change it
- rinse with clean water
- we keep it the same
- False
- an acid
- False
- False
- sugar
- a balloon
- carbon dioxide
- orange juice
- lots of fizzy bubbles
- salt water
- a seed
- True
- neutral
- curd
- tamarind water
- True
- True
- a battery cell
- True
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids