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.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
- 2.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
- 3.True or false: vinegar is neutral. (a) False (b) True
- 4.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
- 5.🫧 Which of these is neutral? (a) orange juice (b) soap solution (c) detergent water (d) plain water
- 6.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) vinegar (c) a tray for spills (d) sugar
- 7.🫧 Is salt water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
- 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) put it in your mouth (d) keep it away from eyes
- 9.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
- 10.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
- 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
- 12.🫧 Which of these is an acid? (a) detergent water (b) baking soda water (c) lemon juice (d) plain water
- 13.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
- 14.True or false: lemon juice is an acid. (a) False (b) True
- 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
- 16.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) an empty bottle (c) a mirror (d) a magnet
- 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a comb (d) an empty bottle
- 18.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) orange juice
- 19.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) it is only melting (d) no, nothing changes
- 20.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
- 21.🔍 Which is the odd one out? (a) baking soda water (b) sugar water (c) salt water (d) plain water
- 22.⚖️ 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) the same bottle (c) spoons of baking soda (d) size of the balloon
- 23.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a seed (c) a funnel or spoon (d) a battery cell
- 24.🔍 Which is the odd one out? (a) detergent water (b) vinegar (c) baking soda water (d) soap solution
- 25.🔍 Which is the odd one out? (a) orange juice (b) soap solution (c) tamarind water (d) vinegar
- 26.True or false: plain water is an acid. (a) False (b) True
- 27.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
- 28.🫧 Which of these is a base? (a) detergent water (b) salt water (c) lemon juice (d) tamarind water
- 29.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a comb (d) baking soda
- 30.True or false: sugar is not needed for the fizzy balloon. (a) False (b) True
- 31.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a tray for spills (c) a magnet (d) a mirror
- 32.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
- 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a tray for spills (d) vinegar
- 34.⚖️ 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 amount of vinegar
- 35.🫧 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
- 36.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) baking soda (c) a comb (d) a battery cell
- 37.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) tamarind water
- 38.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) not needed (b) needed
- 39.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
- 40.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
Answer key
- rinse with clean water
- not needed
- False
- an acid
- plain water
- sugar
- neutral
- keep it away from eyes
- they react
- not needed
- True
- lemon juice
- needed
- True
- False
- an empty bottle
- a comb
- orange juice
- yes, a new gas forms
- very little fizzing
- baking soda water
- spoons of baking soda
- a funnel or spoon
- vinegar
- soap solution
- False
- not needed
- detergent water
- a comb
- True
- a tray for spills
- False
- a seed
- the amount of vinegar
- lots of fizzy bubbles
- baking soda
- tamarind water
- needed
- False
- needed
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids