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