Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 908 · 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.⚖️ 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) spoons of baking soda (c) the same bottle (d) size of the balloon
2. 2.True or false: vinegar is an acid. (a) True (b) False
3. 3.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) spoons of baking soda (c) the kind of balloon (d) size of the balloon
5. 5.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) an empty bottle (c) a funnel or spoon (d) a mirror
7. 7.⚖️ 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
8. 8.⚖️ 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
9. 9.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) the balloon bursts (d) very little fizzing
10. 10.🔮 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
11. 11.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) rub it hard (c) ignore it (d) add baking soda
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) baking soda (c) a tray for spills (d) sugar
13. 13.True or false: lemon juice is neutral. (a) True (b) False
14. 14.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) seal it in a glass jar (d) shake it near your face
15. 15.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the same bottle”? (a) we measure it (b) we change it (c) we keep it the same
16. 16.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the bottle got tired (c) an ingredient ran out (d) the gas froze
17. 17.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
18. 18.🎈 Why does the balloon blow up? (a) outside air gets in (b) gas is made inside (c) vinegar is hot (d) the bottle shrinks
19. 19.🫧 Which of these is neutral? (a) vinegar (b) salt water (c) orange juice (d) soap solution
20. 20.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a tray for spills (c) an empty bottle (d) a funnel or spoon
22. 22.🔍 Which is the odd one out? (a) orange juice (b) curd (c) lemon juice (d) baking soda water
23. 23.⚖️ 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) False (b) True
24. 24.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.True or false: soap solution is a base. (a) True (b) False
26. 26.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a balloon (d) an empty bottle
27. 27.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
28. 28.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
29. 29.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
30. 30.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) orange juice (b) curd (c) detergent water (d) tamarind water
32. 32.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
33. 33.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) yes, a new gas forms (c) it is only melting (d) it is only dissolving
34. 34.True or false: a balloon is needed for the fizzy balloon. (a) False (b) True
35. 35.🧺 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 battery cell
36. 36.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
37. 37.True or false: salt water is an acid. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) plain water (b) sugar water (c) lemon juice (d) salt water
39. 39.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a balloon (c) sugar (d) a magnet
40. 40.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we change it (b) we keep it the same (c) we measure it

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