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