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