Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 139 · 40 questions

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.

1. 1.⚖️ 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
2. 2.🫧 Which of these is a base? (a) tamarind water (b) curd (c) detergent water (d) salt water
3. 3.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a seed (d) a funnel or spoon
4. 4.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
5. 5.True or false: a seed is not needed for the fizzy balloon. (a) False (b) True
6. 6.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
7. 7.⚖️ 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) the amount of vinegar (d) spoons of baking soda
8. 8.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a comb (c) vinegar (d) an empty bottle
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a tray for spills (c) a magnet (d) a funnel or spoon
11. 11.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) soap solution (d) tamarind water
12. 12.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
13. 13.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
14. 14.True or false: baking soda water is neutral. (a) False (b) True
15. 15.🛟 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
16. 16.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
17. 17.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) lots of fizzy bubbles (d) it turns to ice
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) baking soda (c) a tray for spills (d) a comb
19. 19.🔍 Which is the odd one out? (a) tamarind water (b) vinegar (c) orange juice (d) baking soda water
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we change it (b) we keep it the same (c) we measure it
21. 21.True or false: salt water is a base. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) plain water (b) vinegar (c) orange juice (d) tamarind water
23. 23.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
24. 24.🔍 Which is the odd one out? (a) plain water (b) orange juice (c) sugar water (d) salt water
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) the amount of vinegar (c) spoons of baking soda
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a magnet (c) sugar (d) a tray for spills
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is kept the same. (a) True (b) False
28. 28.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is the one thing we change. (a) True (b) False
29. 29.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
30. 30.🛟 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
31. 31.🔮 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
32. 32.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) it turns to honey (c) a huge eruption (d) the balloon bursts
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) baking soda (d) a seed
34. 34.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a funnel or spoon (c) a balloon (d) a battery cell
35. 35.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a battery cell (c) a mirror (d) a funnel or spoon
36. 36.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
37. 37.⚖️ 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) the kind of balloon (c) the amount of vinegar (d) spoons of baking soda
38. 38.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
39. 39.🫧 Which of these is a base? (a) sugar water (b) soap solution (c) salt water (d) curd
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False

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