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) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
- 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
- 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a magnet (c) a tray for spills (d) a balloon
- 4.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
- 5.⚖️ 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
- 6.🔮 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
- 7.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) vinegar (c) a magnet (d) sugar
- 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a tray for spills (c) an empty bottle (d) sugar
- 9.🛟 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
- 10.🫧 Which of these is an acid? (a) baking soda water (b) detergent water (c) salt water (d) vinegar
- 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) an empty bottle (d) a mirror
- 12.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) it grows bigger (d) there is no change
- 13.True or false: soap solution is neutral. (a) True (b) False
- 14.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
- 15.🫧 Is salt water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
- 16.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
- 17.🫧 Which of these is an acid? (a) salt water (b) baking soda water (c) sugar water (d) lemon juice
- 18.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) sugar water
- 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
- 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) False (b) True
- 21.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
- 22.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
- 23.True or false: a balloon is not needed for the fizzy balloon. (a) False (b) True
- 24.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a magnet (c) a comb (d) a mirror
- 25.🔍 Which is the odd one out? (a) soap solution (b) lemon juice (c) detergent water (d) baking soda water
- 26.True or false: a magnet is needed for the fizzy balloon. (a) False (b) True
- 27.True or false: soap solution is a base. (a) False (b) True
- 28.True or false: baking soda is needed for the fizzy balloon. (a) True (b) False
- 29.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a mirror (c) an empty bottle (d) a battery cell
- 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
- 31.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) a tray for spills (c) baking soda (d) vinegar
- 32.⚖️ 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) True (b) False
- 33.🔍 Which is the odd one out? (a) lemon juice (b) vinegar (c) orange juice (d) detergent water
- 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
- 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) False (b) True
- 36.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
- 37.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a tray for spills (d) a funnel or spoon
- 38.True or false: salt water is neutral. (a) True (b) False
- 39.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
- 40.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
Answer key
- rinse with clean water
- True
- a magnet
- a base
- False
- an ingredient ran out
- vinegar
- sugar
- keep it away from eyes
- vinegar
- a mirror
- it grows bigger
- False
- True
- neutral
- needed
- lemon juice
- sugar water
- spoons of baking soda
- False
- needed
- True
- False
- a balloon
- lemon juice
- False
- True
- True
- an empty bottle
- we keep it the same
- a battery cell
- False
- detergent water
- False
- True
- True
- a battery cell
- True
- needed
- an acid
Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids