Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 993 · 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) a funnel or spoon (b) a seed (c) an empty bottle (d) baking soda
2. 2.True or false: a battery cell is needed for the fizzy balloon. (a) True (b) False
3. 3.🫧 Is sugar water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
4. 4.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) spoons of baking soda (b) the kind of balloon (c) size of the balloon
5. 5.True or false: soap solution is a base. (a) False (b) True
6. 6.🫧 Is orange juice an acid, a base or neutral? (a) a base (b) neutral (c) an acid
7. 7.⚖️ 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 amount of vinegar
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) sugar (c) a mirror (d) a comb
10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) the balloon bursts (c) it turns to honey (d) very little fizzing
11. 11.🫧 Which of these is neutral? (a) sugar water (b) detergent water (c) curd (d) vinegar
12. 12.True or false: detergent water is neutral. (a) False (b) True
13. 13.🛟 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
14. 14.🫧 Is soap solution an acid, a base or neutral? (a) neutral (b) a base (c) an acid
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the amount of vinegar (b) the same bottle (c) the kind of balloon (d) size of the balloon
17. 17.🫧 What do you see when baking soda meets vinegar? (a) lots of fizzy bubbles (b) it glows in the dark (c) nothing at all (d) it turns to ice
18. 18.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) plain water (d) orange juice
19. 19.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
20. 20.🧺 Do we need an empty bottle for the fizzy balloon? (a) needed (b) not needed
21. 21.⚖️ 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
22. 22.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) keep it away from eyes (c) put it in your mouth (d) seal it in a glass jar
23. 23.True or false: soap solution is an acid. (a) True (b) False
24. 24.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
25. 25.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
26. 26.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a funnel or spoon (d) a seed
27. 27.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) vinegar (d) a tray for spills
28. 28.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
29. 29.True or false: orange juice is neutral. (a) True (b) False
30. 30.🎈 Why does the balloon blow up? (a) the bottle shrinks (b) outside air gets in (c) vinegar is hot (d) gas is made inside
31. 31.True or false: plain water is a base. (a) False (b) True
32. 32.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is the one thing we change. (a) True (b) False
33. 33.🫧 Which of these is an acid? (a) baking soda water (b) plain water (c) soap solution (d) tamarind water
34. 34.🧺 Do we need a tray for spills for the fizzy balloon? (a) needed (b) not needed
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) False (b) True
36. 36.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they react (c) they become magnets (d) they freeze
37. 37.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a magnet (d) a tray for spills
38. 38.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it turns blue (b) it grows bigger (c) it shrinks (d) there is no change
39. 39.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the same bottle (b) size of the balloon (c) spoons of baking soda (d) the amount of vinegar
40. 40.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) hydrogen (b) helium (c) carbon dioxide (d) oxygen

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