Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 582 · 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: salt water is neutral. (a) False (b) True
2. 2.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) soap solution (d) plain water
3. 3.⚖️ 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) size of the balloon (d) the kind of balloon
4. 4.True or false: vinegar is not needed for the fizzy balloon. (a) True (b) False
5. 5.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) True (b) False
6. 6.⚖️ 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 amount of vinegar (c) size of the balloon
7. 7.True or false: curd is neutral. (a) False (b) True
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) a funnel or spoon (d) a balloon
9. 9.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is what we measure. (a) True (b) False
10. 10.🫧 Which of these is an acid? (a) salt water (b) detergent water (c) sugar water (d) vinegar
11. 11.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) a mirror (c) baking soda (d) vinegar
12. 12.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the gas froze (c) the balloon got cold (d) an ingredient ran out
13. 13.⚖️ 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) spoons of baking soda (c) the amount of vinegar (d) size of the balloon
14. 14.🧺 Which of these is not needed for the fizzy balloon? (a) a magnet (b) vinegar (c) an empty bottle (d) a balloon
15. 15.⚖️ 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
16. 16.🛟 What should you do if vinegar splashes in your eye? (a) add baking soda (b) ignore it (c) rinse with clean water (d) rub it hard
17. 17.True or false: baking soda water is neutral. (a) False (b) True
18. 18.🎈 Why does the balloon blow up? (a) gas is made inside (b) the bottle shrinks (c) vinegar is hot (d) outside air gets in
19. 19.🛟 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
20. 20.⚖️ 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
21. 21.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they react (b) they float apart (c) they freeze (d) they become magnets
22. 22.🔍 Which is the odd one out? (a) tamarind water (b) salt water (c) plain water (d) sugar water
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is the one thing we change. (a) False (b) True
24. 24.True or false: baking soda is not needed for the fizzy balloon. (a) True (b) False
25. 25.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a tray for spills (c) a seed (d) a funnel or spoon
26. 26.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) a base (c) neutral
27. 27.🔍 Which is the odd one out? (a) tamarind water (b) orange juice (c) lemon juice (d) baking soda water
28. 28.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it shrinks (c) it turns blue (d) it grows bigger
29. 29.True or false: sugar water is an acid. (a) False (b) True
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) needed (b) not needed
31. 31.True or false: sugar is not needed for the fizzy balloon. (a) True (b) False
32. 32.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a comb (c) a balloon (d) an empty bottle
33. 33.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) it glows in the dark (c) nothing at all (d) lots of fizzy bubbles
34. 34.🧺 Do we need a seed for the fizzy balloon? (a) not needed (b) needed
35. 35.True or false: salt water is an acid. (a) False (b) True
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) baking soda (c) a mirror (d) a seed
37. 37.True or false: a mirror is not needed for the fizzy balloon. (a) True (b) False
38. 38.True or false: a tray for spills is needed for the fizzy balloon. (a) False (b) True
39. 39.⚖️ 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
40. 40.True or false: a battery cell is not needed for the fizzy balloon. (a) True (b) False

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