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.True or false: plain water is an acid. (a) True (b) False
- 2.🫧 Which of these is a base? (a) vinegar (b) orange juice (c) baking soda water (d) plain water
- 3.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
- 4.🫧 Which of these is neutral? (a) soap solution (b) plain water (c) baking soda water (d) curd
- 5.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
- 6.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
- 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
- 8.⚖️ 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
- 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) vinegar (d) a mirror
- 10.⚖️ 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
- 11.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
- 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) a funnel or spoon (c) an empty bottle (d) vinegar
- 13.🔍 Which is the odd one out? (a) plain water (b) salt water (c) lemon juice (d) sugar water
- 14.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a funnel or spoon (d) a magnet
- 15.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) an empty bottle (d) a comb
- 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) vinegar (c) a tray for spills (d) a battery cell
- 17.True or false: sugar water is neutral. (a) True (b) False
- 18.⚖️ 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 same bottle (d) size of the balloon
- 19.True or false: tamarind water is a base. (a) False (b) True
- 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
- 21.🫧 Which of these is an acid? (a) baking soda water (b) soap solution (c) plain water (d) curd
- 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
- 23.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a mirror (d) vinegar
- 24.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) a battery cell (d) a balloon
- 25.🔍 Which is the odd one out? (a) plain water (b) baking soda water (c) soap solution (d) detergent water
- 26.🫧 Which of these is an acid? (a) sugar water (b) baking soda water (c) lemon juice (d) salt water
- 27.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
- 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) False (b) True
- 29.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
- 30.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) seal it in a glass jar (d) shake it near your face
- 31.🫧 Which of these is a base? (a) sugar water (b) curd (c) detergent water (d) tamarind water
- 32.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) vinegar
- 33.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a seed (c) a balloon (d) a funnel or spoon
- 34.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the balloon got cold (d) the gas froze
- 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
- 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) a balloon (c) a funnel or spoon (d) baking soda
- 37.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
- 38.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
- 39.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a comb (d) sugar
- 40.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
Answer key
- False
- baking soda water
- neutral
- plain water
- rinse with clean water
- True
- False
- the amount of vinegar
- a mirror
- we change it
- needed
- sugar
- lemon juice
- a funnel or spoon
- an empty bottle
- a battery cell
- True
- spoons of baking soda
- False
- True
- curd
- True
- vinegar
- a balloon
- plain water
- lemon juice
- False
- False
- True
- keep it away from eyes
- detergent water
- vinegar
- a seed
- an ingredient ran out
- True
- a seed
- False
- needed
- baking soda
- False
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids