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.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
- 3.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
- 4.🔍 Which is the odd one out? (a) sugar water (b) lemon juice (c) salt water (d) plain water
- 5.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
- 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we change it (b) we measure it (c) we keep it the same
- 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
- 8.🧺 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 comb (d) a balloon
- 9.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a tray for spills (d) a mirror
- 10.True or false: orange juice is a base. (a) True (b) False
- 11.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
- 12.🛟 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
- 13.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
- 14.🫧 Which of these is neutral? (a) lemon juice (b) detergent water (c) curd (d) sugar water
- 15.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
- 16.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) salt water (d) vinegar
- 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) sugar (d) vinegar
- 18.True or false: baking soda water is a base. (a) False (b) True
- 19.True or false: soap solution is neutral. (a) True (b) False
- 20.🫧 Which of these is an acid? (a) soap solution (b) sugar water (c) lemon juice (d) salt water
- 21.⚖️ 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) the kind of balloon
- 22.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
- 23.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a tray for spills (c) sugar (d) a comb
- 24.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
- 25.True or false: vinegar is an acid. (a) True (b) False
- 26.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rub it hard (d) rinse with clean water
- 27.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) curd (d) detergent water
- 28.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) a funnel or spoon (c) an empty bottle (d) a balloon
- 29.🎈 Why does the balloon blow up? (a) outside air gets in (b) vinegar is hot (c) the bottle shrinks (d) gas is made inside
- 30.🫧 Which of these is an acid? (a) tamarind water (b) soap solution (c) sugar water (d) plain water
- 31.⚖️ 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
- 32.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
- 33.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) False (b) True
- 34.True or false: salt water is a base. (a) True (b) False
- 35.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
- 36.🫧 Which of these is a base? (a) orange juice (b) lemon juice (c) plain water (d) baking soda water
- 37.True or false: lemon juice is an acid. (a) False (b) True
- 38.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
- 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a funnel or spoon (d) a magnet
- 40.🫧 Which of these is a base? (a) sugar water (b) vinegar (c) soap solution (d) lemon juice
Answer key
- needed
- an acid
- needed
- lemon juice
- an acid
- we keep it the same
- False
- a comb
- a mirror
- False
- a base
- keep it away from eyes
- neutral
- sugar water
- False
- vinegar
- sugar
- True
- False
- lemon juice
- spoons of baking soda
- False
- a tray for spills
- False
- True
- rinse with clean water
- curd
- a battery cell
- gas is made inside
- tamarind water
- we keep it the same
- very little fizzing
- False
- False
- True
- baking soda water
- True
- an ingredient ran out
- a magnet
- soap solution
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids