Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 658 · 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.🧺 Do we need an empty bottle for the fizzy balloon? (a) not needed (b) needed
2. 2.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: size of the balloon is the one thing we change. (a) True (b) False
3. 3.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a seed (c) a funnel or spoon (d) baking soda
4. 4.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a funnel or spoon (b) a tray for spills (c) an empty bottle (d) a magnet
5. 5.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) sugar (b) vinegar (c) an empty bottle (d) baking soda
6. 6.🧺 Do we need a balloon for the fizzy balloon? (a) not needed (b) needed
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the same bottle is kept the same. (a) False (b) True
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) shake it near your face (b) put it in your mouth (c) seal it in a glass jar (d) keep it away from eyes
9. 9.🫧 Which of these is a base? (a) orange juice (b) plain water (c) sugar water (d) soap solution
10. 10.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a mirror (c) an empty bottle (d) a funnel or spoon
11. 11.🔮 Predict: you use plain water instead of vinegar. What happens? (a) very little fizzing (b) a huge eruption (c) it turns to honey (d) the balloon bursts
12. 12.⚖️ 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
13. 13.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) it turns to ice (c) it glows in the dark (d) lots of fizzy bubbles
14. 14.🫧 Is vinegar an acid, a base or neutral? (a) neutral (b) an acid (c) a base
15. 15.⚖️ 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) the kind of balloon
16. 16.🫧 Is soap solution an acid, a base or neutral? (a) an acid (b) a base (c) neutral
17. 17.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) a funnel or spoon (c) sugar (d) an empty bottle
18. 18.⚖️ 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
19. 19.🧺 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
20. 20.True or false: a mirror is needed for the fizzy balloon. (a) False (b) True
21. 21.True or false: a comb is not needed for the fizzy balloon. (a) True (b) False
22. 22.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
23. 23.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is what we measure? (a) the same bottle (b) size of the balloon (c) the kind of balloon (d) the amount of vinegar
24. 24.True or false: plain water is a base. (a) True (b) False
25. 25.🫧 Which of these is an acid? (a) sugar water (b) lemon juice (c) baking soda water (d) plain water
26. 26.🫧 Is baking soda water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
27. 27.🔮 Predict: you use more vinegar and more baking soda. What happens to the balloon? (a) it grows bigger (b) there is no change (c) it turns blue (d) it shrinks
28. 28.📘 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
29. 29.True or false: a comb is needed for the fizzy balloon. (a) True (b) False
30. 30.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a battery cell (c) vinegar (d) a seed
31. 31.True or false: a mirror is not needed for the fizzy balloon. (a) False (b) True
32. 32.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a tray for spills (b) an empty bottle (c) a battery cell (d) a balloon
33. 33.🔮 The fizzing stops after a while. Why? (a) the gas froze (b) an ingredient ran out (c) the bottle got tired (d) the balloon got cold
34. 34.True or false: baking soda is needed for the fizzy balloon. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) vinegar (b) sugar water (c) plain water (d) salt water
36. 36.⚖️ 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 amount of vinegar
37. 37.🛟 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
38. 38.🫧 Is salt water an acid, a base or neutral? (a) a base (b) neutral (c) an acid
39. 39.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
40. 40.🧺 Which of these is not needed for the fizzy balloon? (a) a mirror (b) an empty bottle (c) a tray for spills (d) a balloon

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