Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 958 · 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.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
2. 2.⚖️ 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
3. 3.🫧 Which of these is a base? (a) orange juice (b) tamarind water (c) plain water (d) baking soda water
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a comb (d) a funnel or spoon
5. 5.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) detergent water (d) curd
6. 6.🔍 Which is the odd one out? (a) salt water (b) sugar water (c) orange juice (d) plain water
7. 7.🫧 Is baking soda water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
8. 8.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) baking soda water
9. 9.True or false: soap solution is neutral. (a) False (b) True
10. 10.🧺 Which of these is not needed for the fizzy balloon? (a) baking soda (b) a magnet (c) a funnel or spoon (d) a balloon
11. 11.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) vinegar (d) a magnet
12. 12.📘 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
13. 13.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
14. 14.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) baking soda water (d) soap solution
15. 15.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) soap solution (d) curd
16. 16.🫧 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
17. 17.🔍 Which is the odd one out? (a) baking soda water (b) vinegar (c) detergent water (d) soap solution
18. 18.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
19. 19.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) an empty bottle (c) vinegar (d) sugar
20. 20.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) it turns blue (c) there is no change (d) it grows bigger
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a mirror (b) a tray for spills (c) vinegar (d) baking soda
22. 22.True or false: tamarind water is an acid. (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) detergent water (d) plain water
24. 24.⚖️ 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) the amount of vinegar (c) spoons of baking soda (d) the kind of balloon
25. 25.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) vinegar (d) sugar
27. 27.🧺 Do we need a battery cell for the fizzy balloon? (a) needed (b) not needed
28. 28.🫧 Which of these is an acid? (a) detergent water (b) tamarind water (c) sugar water (d) baking soda water
29. 29.⚖️ 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) False (b) True
30. 30.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they freeze (c) they become magnets (d) they float apart
31. 31.⚖️ 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 keep it the same (c) we change it
32. 32.🫧 Is orange juice an acid, a base or neutral? (a) neutral (b) a base (c) an acid
33. 33.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) the bottle got tired (c) an ingredient ran out (d) the balloon got cold
34. 34.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
35. 35.⚖️ 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 kind of balloon
36. 36.🫧 Which of these is a base? (a) salt water (b) sugar water (c) soap solution (d) curd
37. 37.🧺 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
38. 38.🫧 Which of these is neutral? (a) detergent water (b) curd (c) sugar water (d) orange juice
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) a magnet (d) baking soda
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) a tray for spills (d) a battery cell

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