Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 379 · 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: curd is an acid. (a) False (b) True
2. 2.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a balloon (c) a tray for spills (d) a magnet
3. 3.True or false: a battery cell is needed for the fizzy balloon. (a) False (b) True
4. 4.⚖️ 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
5. 5.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
6. 6.🧺 Do we need a balloon for the fizzy balloon? (a) needed (b) not needed
7. 7.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
8. 8.🧺 Do we need a mirror for the fizzy balloon? (a) not needed (b) needed
9. 9.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) helium (c) hydrogen (d) carbon dioxide
10. 10.⚖️ 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) the amount of vinegar (c) size of the balloon (d) spoons of baking soda
11. 11.🔍 Which is the odd one out? (a) soap solution (b) tamarind water (c) baking soda water (d) detergent water
12. 12.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) sugar (d) a balloon
13. 13.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a magnet (b) baking soda (c) an empty bottle (d) a tray for spills
14. 14.🫧 Is vinegar an acid, a base or neutral? (a) an acid (b) neutral (c) a base
15. 15.🫧 Is plain water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
16. 16.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) spoons of baking soda (b) size of the balloon (c) the amount of vinegar (d) the kind of balloon
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a balloon (d) a tray for spills
18. 18.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) an ingredient ran out (c) the gas froze (d) the balloon got cold
19. 19.🫧 What do you see when baking soda meets vinegar? (a) it glows in the dark (b) nothing at all (c) it turns to ice (d) lots of fizzy bubbles
20. 20.True or false: a tray for spills is not needed for the fizzy balloon. (a) False (b) True
21. 21.True or false: plain water is neutral. (a) True (b) False
22. 22.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) a comb (c) vinegar (d) a seed
23. 23.🔍 Which is the odd one out? (a) plain water (b) salt water (c) lemon juice (d) sugar water
24. 24.🔮 Predict: you use plain water instead of vinegar. What happens? (a) a huge eruption (b) very little fizzing (c) it turns to honey (d) the balloon bursts
25. 25.🫧 Which of these is an acid? (a) soap solution (b) plain water (c) salt water (d) tamarind water
26. 26.True or false: orange juice is an acid. (a) False (b) True
27. 27.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rub it hard (c) add baking soda (d) rinse with clean water
28. 28.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) there is no change (b) it turns blue (c) it shrinks (d) it grows bigger
29. 29.🧺 Which of these is needed for the fizzy balloon? (a) a tray for spills (b) a comb (c) a seed (d) sugar
30. 30.🔍 Which is the odd one out? (a) vinegar (b) tamarind water (c) lemon juice (d) soap solution
31. 31.🔍 Which is the odd one out? (a) plain water (b) salt water (c) vinegar (d) sugar water
32. 32.🫧 Is sugar water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a comb (b) a tray for spills (c) vinegar (d) baking soda
34. 34.🔍 Which is the odd one out? (a) detergent water (b) soap solution (c) baking soda water (d) sugar water
35. 35.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “size of the balloon”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.🔍 Which is the odd one out? (a) sugar water (b) plain water (c) detergent water (d) salt water
37. 37.🫧 Which of these is neutral? (a) vinegar (b) tamarind water (c) lemon juice (d) salt water
38. 38.🫧 Which of these is an acid? (a) soap solution (b) detergent water (c) salt water (d) vinegar
39. 39.🔍 Which is the odd one out? (a) soap solution (b) baking soda water (c) detergent water (d) plain water
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) a balloon (c) baking soda (d) a seed

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