Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 965 · 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 not needed for the fizzy balloon? (a) a seed (b) vinegar (c) baking soda (d) a funnel or spoon
2. 2.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) baking soda (c) a funnel or spoon (d) an empty bottle
3. 3.🫧 Is plain water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
4. 4.True or false: a funnel or spoon is needed for the fizzy balloon. (a) True (b) False
5. 5.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
6. 6.📘 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 react (d) they freeze
7. 7.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) add baking soda (c) ignore it (d) rub it hard
8. 8.True or false: lemon juice is neutral. (a) True (b) False
9. 9.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) an empty bottle (d) a magnet
10. 10.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.⚖️ 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
13. 13.🧺 Do we need a battery cell for the fizzy balloon? (a) not needed (b) needed
14. 14.🛟 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
15. 15.⚖️ 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 same bottle (c) the amount of vinegar (d) size of the balloon
16. 16.True or false: tamarind water is an acid. (a) False (b) True
17. 17.🔍 Which is the odd one out? (a) plain water (b) curd (c) vinegar (d) lemon juice
18. 18.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a mirror (c) vinegar (d) a tray for spills
19. 19.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
20. 20.⚖️ 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
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a magnet (c) a battery cell (d) a mirror
22. 22.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) True (b) False
23. 23.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
24. 24.⚖️ 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
25. 25.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
26. 26.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) tamarind water (d) lemon juice
27. 27.True or false: a tray for spills is not needed for the fizzy balloon. (a) True (b) False
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a funnel or spoon (c) a seed (d) a magnet
29. 29.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a funnel or spoon (c) vinegar (d) a battery cell
30. 30.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) detergent water
31. 31.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) sugar water (d) lemon juice
32. 32.🫧 Is curd an acid, a base or neutral? (a) neutral (b) an acid (c) a base
33. 33.🧺 Do we need a magnet for the fizzy balloon? (a) not needed (b) needed
34. 34.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
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.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) it turns to ice (c) nothing at all (d) lots of fizzy bubbles
37. 37.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
38. 38.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
39. 39.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) baking soda (c) a seed (d) vinegar
40. 40.📘 Is the fizzing a sign that a new substance is made? (a) it is only melting (b) yes, a new gas forms (c) no, nothing changes (d) it is only dissolving

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