Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 438 · 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.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
2. 2.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a magnet (d) a tray for spills
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
5. 5.⚖️ 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
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a funnel or spoon (c) a tray for spills (d) a mirror
7. 7.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) the balloon got cold (d) an ingredient ran out
8. 8.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a seed (d) an empty bottle
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) a tray for spills (d) a battery cell
10. 10.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) baking soda water (d) detergent water
11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) very little fizzing (d) the balloon bursts
12. 12.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) ignore it (d) rinse with clean water
13. 13.🔍 Which is the odd one out? (a) vinegar (b) soap solution (c) orange juice (d) curd
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) a battery cell (c) baking soda (d) a tray for spills
15. 15.⚖️ 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
16. 16.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
17. 17.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.🔍 Which is the odd one out? (a) tamarind water (b) sugar water (c) plain water (d) salt water
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a comb (d) a balloon
20. 20.⚖️ 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
21. 21.🔍 Which is the odd one out? (a) lemon juice (b) plain water (c) orange juice (d) tamarind water
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) spoons of baking soda (c) size of the balloon
23. 23.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) seal it in a glass jar (c) put it in your mouth (d) keep it away from eyes
24. 24.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) vinegar (d) sugar
26. 26.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
27. 27.🧺 Which of these is not needed for the fizzy balloon? (a) a seed (b) vinegar (c) a funnel or spoon (d) baking soda
28. 28.🎈 Why does the balloon blow up? (a) vinegar is hot (b) the bottle shrinks (c) gas is made inside (d) outside air gets in
29. 29.True or false: an empty bottle is needed for the fizzy balloon. (a) True (b) False
30. 30.True or false: lemon juice is an acid. (a) True (b) False
31. 31.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
32. 32.True or false: soap solution is an acid. (a) False (b) True
33. 33.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a magnet (c) a balloon (d) a tray for spills
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) the same bottle (c) spoons of baking soda (d) the amount of vinegar
36. 36.🔍 Which is the odd one out? (a) tamarind water (b) curd (c) orange juice (d) baking soda water
37. 37.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
38. 38.⚖️ 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
39. 39.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
40. 40.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) an acid (c) neutral

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