Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 138 · 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 keep it the same (b) we change it (c) we measure it
2. 2.🫧 What do you see when baking soda meets vinegar? (a) it turns to ice (b) lots of fizzy bubbles (c) nothing at all (d) it glows in the dark
3. 3.🔮 The fizzing stops after a while. Why? (a) an ingredient ran out (b) the bottle got tired (c) the gas froze (d) the balloon got cold
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) ignore it (b) rinse with clean water (c) add baking soda (d) rub it hard
5. 5.🫧 Which of these is neutral? (a) vinegar (b) lemon juice (c) plain water (d) detergent water
6. 6.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the amount of vinegar”? (a) we measure it (b) we keep it the same (c) we change it
7. 7.True or false: baking soda is not needed for the fizzy balloon. (a) False (b) True
8. 8.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) vinegar (c) a tray for spills (d) a mirror
9. 9.True or false: baking soda water is an acid. (a) True (b) False
10. 10.🔮 Predict: you use plain water instead of vinegar. What happens? (a) the balloon bursts (b) a huge eruption (c) it turns to honey (d) very little fizzing
11. 11.True or false: vinegar is an acid. (a) True (b) False
12. 12.🫧 Which of these is an acid? (a) detergent water (b) soap solution (c) lemon juice (d) salt water
13. 13.🧺 Which of these is needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a magnet (d) a battery cell
14. 14.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it turns blue (d) it grows bigger
15. 15.🫧 Is orange juice an acid, a base or neutral? (a) an acid (b) neutral (c) a base
16. 16.True or false: a seed is needed for the fizzy balloon. (a) True (b) False
17. 17.📘 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
18. 18.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
19. 19.True or false: detergent water is an acid. (a) True (b) False
20. 20.📘 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
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a battery cell (b) baking soda (c) an empty bottle (d) a tray for spills
22. 22.⚖️ 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 same bottle
23. 23.⚖️ 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) the amount of vinegar (d) spoons of baking soda
24. 24.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a funnel or spoon (c) a magnet (d) vinegar
25. 25.True or false: a balloon is not needed for the fizzy balloon. (a) True (b) False
26. 26.🫧 Which of these is a base? (a) detergent water (b) plain water (c) tamarind water (d) curd
27. 27.⚖️ 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) the kind of balloon (d) size of the balloon
28. 28.🫧 Which of these is a base? (a) curd (b) baking soda water (c) vinegar (d) lemon juice
29. 29.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) neutral (c) a base
30. 30.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is kept the same. (a) False (b) True
31. 31.🫧 Is baking soda water an acid, a base or neutral? (a) neutral (b) an acid (c) a base
32. 32.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
33. 33.🔍 Which is the odd one out? (a) baking soda water (b) soap solution (c) sugar water (d) detergent water
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the amount of vinegar is what we measure. (a) False (b) True
35. 35.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) vinegar (b) a seed (c) a tray for spills (d) baking soda
36. 36.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a magnet (c) a comb (d) a funnel or spoon
37. 37.🧺 Do we need sugar for the fizzy balloon? (a) needed (b) not needed
38. 38.🧺 Which of these is needed for the fizzy balloon? (a) a battery cell (b) a comb (c) a tray for spills (d) a mirror
39. 39.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) neutral (c) a base
40. 40.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) a base (c) an acid

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