Baking Soda and Vinegar Experiment Worksheet

Science experiments lesson 11: Baking soda and vinegar balloon · Set 560 · 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.🔍 Which is the odd one out? (a) detergent water (b) lemon juice (c) soap solution (d) baking soda water
2. 2.True or false: a funnel or spoon is needed for the fizzy balloon. (a) False (b) True
3. 3.📘 Is the fizzing a sign that a new substance is made? (a) yes, a new gas forms (b) it is only dissolving (c) it is only melting (d) no, nothing changes
4. 4.🧺 Do we need a comb for the fizzy balloon? (a) needed (b) not needed
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: vinegar is not needed for the fizzy balloon. (a) False (b) True
7. 7.⚖️ Fair test — does more baking soda blow the balloon up bigger? What do we do with “the kind of balloon”? (a) we change it (b) we measure it (c) we keep it the same
8. 8.🛟 Which safety rule fits the fizzy balloon experiment? (a) keep it away from eyes (b) shake it near your face (c) put it in your mouth (d) seal it in a glass jar
9. 9.🔮 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
10. 10.🫧 Is sugar water an acid, a base or neutral? (a) an acid (b) a base (c) neutral
11. 11.🧺 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) vinegar (d) a battery cell
12. 12.🧺 Which of these is needed for the fizzy balloon? (a) a mirror (b) sugar (c) baking soda (d) a magnet
13. 13.⚖️ Fair test — does more baking soda blow the balloon up bigger? True or false: the kind of balloon is what we measure. (a) True (b) False
14. 14.True or false: sugar is needed for the fizzy balloon. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) plain water (b) detergent water (c) sugar water (d) salt water
16. 16.🧺 Do we need a seed for the fizzy balloon? (a) needed (b) not needed
17. 17.True or false: vinegar is needed for the fizzy balloon. (a) False (b) True
18. 18.🧺 Which of these is not needed for the fizzy balloon? (a) an empty bottle (b) a tray for spills (c) a mirror (d) vinegar
19. 19.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is the one thing we change? (a) the kind of balloon (b) size of the balloon (c) the same bottle (d) spoons of baking soda
20. 20.🧺 Which of these is not needed for the fizzy balloon? (a) vinegar (b) an empty bottle (c) sugar (d) a funnel or spoon
21. 21.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) sugar (c) a funnel or spoon (d) a balloon
22. 22.🧺 Do we need a magnet for the fizzy balloon? (a) needed (b) not needed
23. 23.🫧 Which of these is an acid? (a) baking soda water (b) sugar water (c) soap solution (d) orange juice
24. 24.⚖️ 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
25. 25.True or false: salt water is neutral. (a) False (b) True
26. 26.True or false: a seed is not needed for the fizzy balloon. (a) True (b) False
27. 27.🛟 What should you do if vinegar splashes in your eye? (a) rinse with clean water (b) ignore it (c) add baking soda (d) rub it hard
28. 28.🧺 Which of these is needed for the fizzy balloon? (a) a comb (b) a tray for spills (c) a seed (d) a battery cell
29. 29.📘 Vinegar is an acid and baking soda is a base. What happens when they meet? (a) they float apart (b) they freeze (c) they react (d) they become magnets
30. 30.🧺 Do we need vinegar for the fizzy balloon? (a) not needed (b) needed
31. 31.🫧 Which of these is an acid? (a) plain water (b) baking soda water (c) sugar water (d) lemon juice
32. 32.🫧 Which gas fills the balloon in the baking soda and vinegar experiment? (a) oxygen (b) carbon dioxide (c) helium (d) hydrogen
33. 33.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) baking soda (b) an empty bottle (c) a funnel or spoon (d) a mirror
34. 34.⚖️ Fair test — does more baking soda blow the balloon up bigger? Which of these is kept the same? (a) size of the balloon (b) spoons of baking soda (c) the same bottle
35. 35.🫧 What do you see when baking soda meets vinegar? (a) nothing at all (b) lots of fizzy bubbles (c) it turns to ice (d) it glows in the dark
36. 36.🧺 Which of these is not needed for the fizzy balloon? (a) a balloon (b) baking soda (c) vinegar (d) a magnet
37. 37.🔍 Which is the odd one out? (a) sugar water (b) salt water (c) plain water (d) baking soda water
38. 38.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a balloon (b) a tray for spills (c) an empty bottle (d) a magnet
39. 39.🧺 Which of these is not needed for the fizzy balloon? (a) a tray for spills (b) an empty bottle (c) vinegar (d) a comb
40. 40.🧺 Three of these are needed for the fizzy balloon. Which one is NOT needed? (a) a seed (b) vinegar (c) baking soda (d) an empty bottle

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