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.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
- 2.⚖️ 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
- 3.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) helium (b) oxygen (c) carbon dioxide (d) hydrogen
- 4.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) sugar (d) vinegar
- 5.⚖️ 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
- 6.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
- 7.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
- 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a mirror (c) an empty bottle (d) a funnel or spoon
- 9.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a seed (d) baking soda
- 10.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
- 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a comb (d) vinegar
- 12.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the balloon got cold (d) the gas froze
- 13.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
- 14.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) lots of fizzy bubbles (d) nothing at all
- 15.True or false: detergent water is a base. (a) False (b) True
- 16.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a battery cell (c) an empty bottle (d) baking soda
- 17.🔍 Which is the odd one out? (a) salt water (b) tamarind water (c) vinegar (d) orange juice
- 18.⚖️ 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
- 19.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
- 20.🔍 Which is the odd one out? (a) curd (b) vinegar (c) tamarind water (d) sugar water
- 21.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it grows bigger (c) there is no change (d) it turns blue
- 22.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they become magnets (c) they float apart (d) they freeze
- 23.⚖️ 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) size of the balloon (c) spoons of baking soda (d) the same bottle
- 24.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) a funnel or spoon (c) vinegar (d) an empty bottle
- 25.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
- 26.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) it is only dissolving (d) no, nothing changes
- 27.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
- 28.True or false: a balloon is needed for the fizzy balloon. (a) True (b) False
- 29.🫧 Is lemon juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
- 30.True or false: curd is a base. (a) True (b) False
- 31.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
- 32.⚖️ 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 amount of vinegar
- 33.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a mirror (d) a tray for spills
- 34.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
- 35.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
- 36.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) an empty bottle (c) a battery cell (d) a balloon
- 37.True or false: vinegar is an acid. (a) False (b) True
- 38.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
- 39.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
- 40.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a magnet (d) a mirror
Answer key
- needed
- we measure it
- carbon dioxide
- sugar
- False
- False
- needed
- a mirror
- baking soda
- rinse with clean water
- a comb
- an ingredient ran out
- not needed
- lots of fizzy bubbles
- True
- a battery cell
- salt water
- we keep it the same
- a base
- sugar water
- it grows bigger
- they react
- spoons of baking soda
- a magnet
- needed
- yes, a new gas forms
- not needed
- True
- an acid
- False
- True
- size of the balloon
- a mirror
- False
- not needed
- a battery cell
- True
- False
- an acid
- a tray for spills
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids