Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 846 · 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) an empty bottle (c) a tray for spills (d) a magnet
2. 2.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it glows in the dark (c) it turns to ice (d) lots of fizzy bubbles
3. 3.True or false: tamarind water is a base. (a) False (b) True
4. 4.🛟 What should you do if vinegar splashes in your eye? (a) rub it hard (b) ignore it (c) add baking soda (d) rinse with clean water
5. 5.True or false: sugar water is neutral. (a) False (b) True
6. 6.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) an empty bottle (c) sugar (d) vinegar
7. 7.🎈 Why does the balloon blow up? (a) vinegar is hot (b) outside air gets in (c) gas is made inside (d) the bottle shrinks
8. 8.True or false: an empty bottle is needed for the fizzy balloon. (a) False (b) True
9. 9.🔮 The fizzing stops after a while. Why? (a) the bottle got tired (b) the balloon got cold (c) an ingredient ran out (d) the gas froze
10. 10.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it shrinks (b) there is no change (c) it grows bigger (d) it turns blue
11. 11.True or false: a tray for spills is needed for the fizzy balloon. (a) True (b) False
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a seed (b) a battery cell (c) a balloon (d) a mirror
13. 13.🧺 Do we need a tray for spills for the fizzy balloon? (a) not needed (b) needed
14. 14.🧺 Do we need a comb for the fizzy balloon? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) a funnel or spoon (c) vinegar (d) a mirror
16. 16.True or false: vinegar is not needed for the fizzy balloon. (a) False (b) True
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a battery cell (c) vinegar (d) a tray for spills
18. 18.⚖️ 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 kind of balloon (c) spoons of baking soda (d) the amount of vinegar
19. 19.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) a magnet (c) a tray for spills (d) sugar
20. 20.🫧 Is lemon juice an acid, a base or neutral? (a) an acid (b) a base (c) neutral
21. 21.🫧 Which of these is an acid? (a) salt water (b) vinegar (c) detergent water (d) plain water
22. 22.⚖️ 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
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: spoons of baking soda is what we measure. (a) True (b) False
24. 24.🫧 Is soap solution an acid, a base or neutral? (a) a base (b) neutral (c) an acid
25. 25.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
26. 26.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
27. 27.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “spoons of baking soda”? (a) we keep it the same (b) we measure it (c) we change it
28. 28.True or false: a seed is needed for the fizzy balloon. (a) False (b) True
29. 29.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) a tray for spills (d) a mirror
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? What do we do with “the kind of balloon”? (a) we keep it the same (b) we measure it (c) we change it
32. 32.⚖️ 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 change it (c) we keep it the same
33. 33.⚖️ 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
34. 34.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) sugar (c) baking soda (d) a battery cell
35. 35.True or false: detergent water is an acid. (a) False (b) True
36. 36.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they become magnets (b) they freeze (c) they float apart (d) they react
37. 37.🧺 Do we need a mirror for the fizzy balloon? (a) needed (b) not needed
38. 38.🔍 Which is the odd one out? (a) plain water (b) detergent water (c) salt water (d) sugar water
39. 39.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
40. 40.🧺 Which of these is needed for the fizzy balloon? (a) a magnet (b) vinegar (c) a battery cell (d) sugar

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