Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 941 · 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.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a funnel or spoon (d) an empty bottle
2. 2.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
3. 3.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) spoons of baking soda (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
4. 4.🔍 Which is the odd one out? (a) baking soda water (b) detergent water (c) plain water (d) soap solution
5. 5.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
6. 6.⚖️ 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
7. 7.🧺 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 comb
8. 8.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
9. 9.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) nothing at all (c) it turns to ice (d) it glows in the dark
10. 10.🧺 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 magnet
11. 11.🔍 Which is the odd one out? (a) baking soda water (b) curd (c) detergent water (d) soap solution
12. 12.🫧 Which of these is a base? (a) curd (b) sugar water (c) orange juice (d) soap solution
13. 13.🛟 Which safety rule fits the fizzy balloon experiment? (a) seal it in a glass jar (b) shake it near your face (c) keep it away from eyes (d) put it in your mouth
14. 14.🔍 Which is the odd one out? (a) salt water (b) plain water (c) sugar water (d) detergent water
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a balloon (c) a mirror (d) an empty bottle
16. 16.True or false: lemon juice is neutral. (a) True (b) False
17. 17.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it shrinks (c) there is no change (d) it grows bigger
18. 18.⚖️ 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
19. 19.True or false: a comb is not needed for the fizzy balloon. (a) False (b) True
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) sugar (c) a balloon (d) an empty bottle
21. 21.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a mirror (d) vinegar
22. 22.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
24. 24.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) vinegar (d) baking soda water
25. 25.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a comb (c) vinegar (d) baking soda
27. 27.🔮 Predict: you use plain water instead of vinegar. What happens? (a) it turns to honey (b) a huge eruption (c) very little fizzing (d) the balloon bursts
28. 28.🧺 Which of these is not needed for the fizzy balloon? (a) a funnel or spoon (b) a balloon (c) baking soda (d) a mirror
29. 29.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is what we measure. (a) True (b) False
31. 31.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
32. 32.🧺 Do we need baking soda for the fizzy balloon? (a) needed (b) not needed
33. 33.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) add baking soda (c) rinse with clean water (d) ignore it
34. 34.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) an acid (c) neutral
35. 35.🔍 Which is the odd one out? (a) detergent water (b) baking soda water (c) vinegar (d) soap solution
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a battery cell (d) a comb
37. 37.⚖️ 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
38. 38.📘 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
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) False (b) True
40. 40.🫧 Is detergent water an acid, a base or neutral? (a) a base (b) neutral (c) an acid

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