WONDER #1772: Why Does Water Bubble When It Boils?
Question 1 of 3
As a general rule, water boils at what temperature?
- 100º F
- 212º F
- 1,000º F
- 2,120º F
Question 2 of 3
When water boils, the bubbles are made of what?
- air
- water vapor
- hydrogen
- oxygen
Question 3 of 3
Bubbles that first appear when you pour water into a pan and begin to heat it are usually made up of what?
- air
- water vapor
- hydrogen
- oxygen
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