Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 596 · 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: plain water is an acid. (a) False (b) True
2. 2.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) it turns to honey (c) the balloon bursts (d) very little fizzing
3. 3.🧺 Which of these is needed for the fizzy balloon? (a) sugar (b) a comb (c) a tray for spills (d) a mirror
4. 4.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
5. 5.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) seal it in a glass jar (c) shake it near your face (d) put it in your mouth
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a balloon (c) a mirror (d) an empty bottle
7. 7.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
8. 8.True or false: tamarind water is an acid. (a) True (b) False
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a magnet (c) vinegar (d) sugar
10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it shrinks (d) it turns blue
11. 11.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we change it (b) we measure it (c) we keep it the same
12. 12.🫧 Which of these is a base? (a) curd (b) tamarind water (c) plain water (d) baking soda water
13. 13.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
14. 14.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the amount of vinegar
17. 17.📘 Is the fizzing a sign that a new substance is made? (a) it is only dissolving (b) yes, a new gas forms (c) no, nothing changes (d) it is only melting
18. 18.🧺 Do we need baking soda for the fizzy balloon? (a) not needed (b) needed
19. 19.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) lots of fizzy bubbles (c) nothing at all (d) it turns to ice
20. 20.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) baking soda (c) a balloon (d) a magnet
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.True or false: curd is an acid. (a) True (b) False
23. 23.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) vinegar (c) a battery cell (d) baking soda
25. 25.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) False (b) True
26. 26.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the amount of vinegar (b) the same bottle (c) size of the balloon (d) spoons of baking soda
27. 27.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) an acid (c) neutral
28. 28.🫧 Which of these is neutral? (a) lemon juice (b) salt water (c) baking soda water (d) orange juice
29. 29.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
30. 30.True or false: plain water is neutral. (a) False (b) True
31. 31.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) the kind of balloon (b) size of the balloon (c) spoons of baking soda
33. 33.🧺 Which of these is needed for the fizzy balloon? (a) a balloon (b) a magnet (c) a comb (d) a battery cell
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
35. 35.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) orange juice (d) soap solution
36. 36.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
37. 37.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
38. 38.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
39. 39.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) rub it hard (c) ignore it (d) rinse with clean water
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) an acid (b) neutral (c) a base

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