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 not needed for the fizzy balloon? (a) a balloon (b) a magnet (c) a funnel or spoon (d) vinegar
- 2.⚖️ 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
- 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 of these is an acid? (a) detergent water (b) baking soda water (c) sugar water (d) tamarind water
- 5.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
- 6.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
- 7.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
- 8.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we keep it the same (c) we change it
- 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) the kind of balloon (c) the same bottle (d) the amount of vinegar
- 10.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
- 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) vinegar (c) a balloon (d) a funnel or spoon
- 12.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
- 13.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
- 14.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
- 15.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a mirror (c) vinegar (d) a comb
- 16.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) an acid (c) a base
- 17.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
- 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) there is no change (d) it shrinks
- 19.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
- 20.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
- 21.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
- 22.🫧 Which of these is an acid? (a) sugar water (b) vinegar (c) soap solution (d) detergent water
- 23.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) detergent water (d) plain water
- 24.True or false: vinegar is needed for the fizzy balloon. (a) True (b) False
- 25.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) salt water
- 26.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
- 27.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) a funnel or spoon (d) a seed
- 28.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) hydrogen (c) helium (d) carbon dioxide
- 29.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) vinegar (d) sugar
- 30.True or false: a magnet is not needed for the fizzy balloon. (a) False (b) True
- 31.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
- 32.⚖️ 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) size of the balloon (d) the amount of vinegar
- 33.🔍 Which is the odd one out? (a) lemon juice (b) orange juice (c) plain water (d) tamarind water
- 34.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
- 35.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
- 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) a comb
- 37.🫧 Which of these is an acid? (a) baking soda water (b) salt water (c) orange juice (d) soap solution
- 38.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
- 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a mirror (c) baking soda (d) vinegar
- 40.⚖️ 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
Answer key
- a magnet
- False
- keep it away from eyes
- tamarind water
- not needed
- neutral
- an acid
- we keep it the same
- spoons of baking soda
- needed
- a magnet
- False
- not needed
- not needed
- vinegar
- a base
- very little fizzing
- it grows bigger
- an acid
- True
- False
- vinegar
- detergent water
- True
- salt water
- needed
- a seed
- carbon dioxide
- sugar
- True
- rinse with clean water
- size of the balloon
- plain water
- True
- False
- a comb
- orange juice
- False
- a mirror
- False
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids