Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 358 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) sugar (c) a balloon (d) an empty bottle
2. 2.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) outside air gets in (d) vinegar is hot
3. 3.True or false: soap solution is neutral. (a) False (b) True
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a magnet (c) a funnel or spoon (d) baking soda
5. 5.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a funnel or spoon (c) a battery cell (d) sugar
6. 6.True or false: plain water is an acid. (a) False (b) True
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is kept the same. (a) False (b) True
8. 8.🔮 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
9. 9.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a tray for spills (c) a comb (d) baking soda
10. 10.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
11. 11.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) sugar (c) a tray for spills (d) a mirror
13. 13.🫧 Which of these is an acid? (a) baking soda water (b) lemon juice (c) detergent water (d) sugar water
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) a seed (d) an empty bottle
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
17. 17.🫧 Is tamarind water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a mirror (d) a funnel or spoon
19. 19.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
20. 20.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) shake it near your face (c) keep it away from eyes (d) seal it in a glass jar
21. 21.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) True (b) False
22. 22.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a mirror (c) baking soda (d) a tray for spills
23. 23.⚖️ 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
24. 24.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
25. 25.🫧 Which of these is neutral? (a) tamarind water (b) lemon juice (c) soap solution (d) salt water
26. 26.⚖️ 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
27. 27.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) it glows in the dark (d) nothing at all
28. 28.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
29. 29.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) oxygen (d) carbon dioxide
30. 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. 31.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) vinegar (c) a battery cell (d) a seed
32. 32.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
33. 33.True or false: tamarind water is an acid. (a) True (b) False
34. 34.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) salt water (d) baking soda water
36. 36.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) vinegar (c) an empty bottle (d) a comb
37. 37.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
38. 38.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
39. 39.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
40. 40.⚖️ 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

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