Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 918 · 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.🫧 Which of these is neutral? (a) soap solution (b) sugar water (c) tamarind water (d) orange juice
2. 2.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a seed (c) a battery cell (d) sugar
3. 3.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) yes, a new gas forms (d) it is only dissolving
4. 4.⚖️ 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
5. 5.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) vinegar (c) a tray for spills (d) a seed
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) a tray for spills (d) an empty bottle
7. 7.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) sugar (c) an empty bottle (d) baking soda
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) vinegar (c) sugar (d) a magnet
10. 10.⚖️ 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
11. 11.True or false: a battery cell is not needed for the fizzy balloon. (a) False (b) True
12. 12.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
13. 13.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) very little fizzing (c) the balloon bursts (d) a huge eruption
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.True or false: soap solution is a base. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) vinegar (b) lemon juice (c) soap solution (d) tamarind water
17. 17.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) baking soda (c) a balloon (d) a tray for spills
18. 18.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) add baking soda (d) ignore it
19. 19.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
20. 20.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the same bottle (b) size of the balloon (c) spoons of baking soda
21. 21.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we keep it the same (b) we measure it (c) we change it
23. 23.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
24. 24.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
25. 25.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) keep it away from eyes (c) shake it near your face (d) seal it in a glass jar
26. 26.🫧 Which of these is a base? (a) vinegar (b) curd (c) sugar water (d) detergent water
27. 27.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a seed (d) a comb
28. 28.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
29. 29.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
30. 30.True or false: salt water is neutral. (a) False (b) True
31. 31.🫧 Which of these is neutral? (a) salt water (b) soap solution (c) tamarind water (d) curd
32. 32.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
33. 33.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) there is no change (c) it shrinks (d) it grows bigger
34. 34.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a tray for spills (d) a magnet
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) an empty bottle (c) a tray for spills (d) a mirror
36. 36.⚖️ 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) False (b) True
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a magnet (c) vinegar (d) a funnel or spoon
38. 38.🧺 Do we need sugar for the fizzy balloon? (a) not needed (b) needed
39. 39.⚖️ 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
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar

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