Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 546 · 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? What do we do with “size of the balloon”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) put it in your mouth (c) shake it near your face (d) seal it in a glass jar
3. 3.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) very little fizzing (d) it turns to honey
4. 4.🫧 Which of these is an acid? (a) detergent water (b) salt water (c) baking soda water (d) vinegar
5. 5.⚖️ 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
6. 6.True or false: orange juice is an acid. (a) False (b) True
7. 7.True or false: sugar water is neutral. (a) False (b) True
8. 8.🫧 Which of these is an acid? (a) lemon juice (b) detergent water (c) plain water (d) soap solution
9. 9.⚖️ 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
10. 10.🫧 Is plain water an acid, a base or neutral? (a) neutral (b) a base (c) an acid
11. 11.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) nothing at all (c) lots of fizzy bubbles (d) it glows in the dark
12. 12.🫧 Is tamarind water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
13. 13.🔍 Which is the odd one out? (a) tamarind water (b) sugar water (c) vinegar (d) orange juice
14. 14.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
15. 15.True or false: sugar is needed for the fizzy balloon. (a) True (b) False
16. 16.True or false: an empty bottle is not needed for the fizzy balloon. (a) True (b) False
17. 17.🧺 Which of these is needed for the fizzy balloon? (a) baking soda (b) a seed (c) a magnet (d) a comb
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) baking soda (c) a magnet (d) an empty bottle
19. 19.🔮 The fizzing stops after a while. Why? (a) the balloon got cold (b) the gas froze (c) an ingredient ran out (d) the bottle got tired
20. 20.⚖️ 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
21. 21.True or false: a funnel or spoon is not needed for the fizzy balloon. (a) True (b) False
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a seed (c) a tray for spills (d) sugar
23. 23.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) an empty bottle (b) a balloon (c) a funnel or spoon (d) a mirror
24. 24.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
25. 25.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) baking soda (c) a tray for spills (d) a magnet
26. 26.📘 Is the fizzing a sign that a new substance is made? (a) no, nothing changes (b) it is only melting (c) it is only dissolving (d) yes, a new gas forms
27. 27.🔍 Which is the odd one out? (a) plain water (b) salt water (c) sugar water (d) tamarind water
28. 28.🧺 Do we need a funnel or spoon for the fizzy balloon? (a) needed (b) not needed
29. 29.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
30. 30.⚖️ 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
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a funnel or spoon (c) a balloon (d) a seed
33. 33.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
34. 34.🫧 Which of these is an acid? (a) sugar water (b) tamarind water (c) soap solution (d) detergent water
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a comb (c) vinegar (d) a funnel or spoon
36. 36.True or false: a magnet is needed for the fizzy balloon. (a) True (b) False
37. 37.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) rinse with clean water (c) ignore it (d) add baking soda
38. 38.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) size of the balloon (b) the same bottle (c) spoons of baking soda (d) the amount of vinegar
39. 39.🫧 Which of these is neutral? (a) orange juice (b) salt water (c) baking soda water (d) soap solution
40. 40.True or false: baking soda water is a base. (a) False (b) True

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