Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 862 · 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 needed for the fizzy balloon? (a) sugar (b) an empty bottle (c) a battery cell (d) a mirror
2. 2.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
3. 3.True or false: tamarind water is an acid. (a) False (b) True
4. 4.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a battery cell (c) a mirror (d) vinegar
5. 5.🔮 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
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) vinegar (d) a mirror
7. 7.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
8. 8.📘 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
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we measure it (b) we keep it the same (c) we change it
10. 10.True or false: a comb is needed for the fizzy balloon. (a) False (b) True
11. 11.⚖️ 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
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a tray for spills (d) a balloon
13. 13.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) a battery cell (d) a funnel or spoon
15. 15.⚖️ 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) the same bottle (c) size of the balloon (d) the amount of vinegar
16. 16.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the balloon got cold (c) the bottle got tired (d) an ingredient ran out
17. 17.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
18. 18.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) it grows bigger (d) there is no change
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) an empty bottle (c) a balloon (d) baking soda
20. 20.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) sugar (c) a battery cell (d) a tray for spills
21. 21.⚖️ 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) False (b) True
22. 22.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
23. 23.🫧 Is vinegar an acid, a base or neutral? (a) a base (b) neutral (c) an acid
24. 24.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
25. 25.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
26. 26.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a balloon (c) a mirror (d) a battery cell
27. 27.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
28. 28.True or false: curd is an acid. (a) False (b) True
29. 29.True or false: orange juice is an acid. (a) False (b) True
30. 30.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
31. 31.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the amount of vinegar (b) spoons of baking soda (c) size of the balloon
32. 32.🛟 Which safety rule fits the fizzy balloon experiment? (a) put it in your mouth (b) seal it in a glass jar (c) shake it near your face (d) keep it away from eyes
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) an empty bottle (c) a tray for spills (d) a funnel or spoon
34. 34.🔍 Which is the odd one out? (a) sugar water (b) soap solution (c) detergent water (d) baking soda water
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is kept the same. (a) True (b) False
36. 36.⚖️ 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 change it (c) we measure it
37. 37.True or false: baking soda 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: size of the balloon is what we measure. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) lemon juice
40. 40.📘 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 freeze (d) they react

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