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