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 of these is needed for the fizzy balloon? (a) vinegar (b) a mirror (c) a battery cell (d) a seed
- 2.🫧 Which of these is neutral? (a) sugar water (b) vinegar (c) soap solution (d) orange juice
- 3.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) seal it in a glass jar (d) keep it away from eyes
- 4.🔍 Which is the odd one out? (a) lemon juice (b) curd (c) orange juice (d) soap solution
- 5.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a comb (d) a mirror
- 6.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) carbon dioxide (c) oxygen (d) hydrogen
- 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a magnet (c) baking soda (d) a balloon
- 8.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
- 9.🫧 Which of these is an acid? (a) curd (b) sugar water (c) detergent water (d) baking soda water
- 10.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it glows in the dark (d) it turns to ice
- 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) sugar (c) vinegar (d) baking soda
- 12.True or false: vinegar is neutral. (a) False (b) True
- 13.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
- 14.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
- 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) a comb
- 16.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a magnet (c) a balloon (d) a comb
- 17.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
- 18.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
- 19.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
- 20.🫧 Is tamarind water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
- 21.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
- 22.⚖️ 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
- 23.🔍 Which is the odd one out? (a) vinegar (b) baking soda water (c) orange juice (d) tamarind water
- 24.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
- 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) vinegar (c) a funnel or spoon (d) an empty bottle
- 26.True or false: soap solution is a base. (a) True (b) False
- 27.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rinse with clean water (c) rub it hard (d) ignore it
- 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) the kind of balloon (c) spoons of baking soda (d) the amount of vinegar
- 29.True or false: lemon juice is an acid. (a) True (b) False
- 30.True or false: tamarind water is an acid. (a) True (b) False
- 31.🫧 Which of these is neutral? (a) vinegar (b) salt water (c) soap solution (d) detergent water
- 32.True or false: soap solution is an acid. (a) False (b) True
- 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
- 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a mirror (d) a funnel or spoon
- 35.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
- 36.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
- 37.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
- 38.True or false: an empty bottle is not needed for the fizzy balloon. (a) False (b) True
- 39.🫧 Which of these is a base? (a) tamarind water (b) curd (c) sugar water (d) soap solution
- 40.🫧 Is salt water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
Answer key
- vinegar
- sugar water
- keep it away from eyes
- soap solution
- a tray for spills
- carbon dioxide
- a magnet
- needed
- curd
- lots of fizzy bubbles
- sugar
- False
- True
- False
- a comb
- a balloon
- False
- False
- needed
- an acid
- not needed
- False
- baking soda water
- False
- a battery cell
- True
- rinse with clean water
- spoons of baking soda
- True
- True
- salt water
- False
- it grows bigger
- a mirror
- an acid
- not needed
- not needed
- False
- soap solution
- neutral
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids