Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 145 · 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.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
2. 2.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a comb (c) a balloon (d) a mirror
4. 4.True or false: tamarind water is a base. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) soap solution (b) detergent water (c) sugar water (d) baking soda water
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a comb (d) vinegar
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we measure it (b) we change it (c) we keep it the same
8. 8.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
9. 9.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
10. 10.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only dissolving (c) it is only melting (d) yes, a new gas forms
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a mirror (c) a funnel or spoon (d) a tray for spills
12. 12.🧺 Which of these is not needed for the fizzy balloon? (a) a battery cell (b) baking soda (c) a tray for spills (d) a funnel or spoon
13. 13.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
14. 14.🧺 Which of these is needed for the fizzy balloon? (a) a funnel or spoon (b) a battery cell (c) a comb (d) sugar
15. 15.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon (d) the same bottle
17. 17.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
18. 18.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we keep it the same (b) we measure it (c) we change it
19. 19.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) vinegar (c) a magnet (d) a funnel or spoon
20. 20.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
21. 21.🛟 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
22. 22.🫧 Which of these is a base? (a) tamarind water (b) vinegar (c) orange juice (d) detergent water
23. 23.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a balloon (c) sugar (d) a funnel or spoon
24. 24.⚖️ 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
25. 25.True or false: plain water is a base. (a) True (b) False
26. 26.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) the balloon bursts (c) it turns to honey (d) a huge eruption
28. 28.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) plain water (d) lemon juice
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) size of the balloon (c) spoons of baking soda
32. 32.True or false: vinegar is a base. (a) False (b) True
33. 33.⚖️ 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
34. 34.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
35. 35.🫧 Is curd an acid, a base or neutral? (a) a base (b) neutral (c) an acid
36. 36.⚖️ 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
37. 37.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) spoons of baking soda (c) the same bottle (d) the kind of balloon
39. 39.🫧 Which of these is a base? (a) baking soda water (b) tamarind water (c) lemon juice (d) curd
40. 40.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed

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