The Air - pages 32 - 35
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by Vicki Walsh
| 11 Questions
Note from the author:
Foss Science Mixtures and Solutions - The Air
1
1 pt
What is the most common gas found in the air on Earth?
oxygen
carbon dioxide
nitrogen
2
1 pt
What happens when water evaporates?
It changes into a gas and dissolves in the air.
It changes into a liquid and freezes.
It changes into a solid and melts.
D
3
1 pt
When can you see water vapor?
When it heats up and melts.
When it cools and condenses.
When it is colorful in the air.
D
4
1 pt
The process of water entering the air (evaporating) and leaving the air (condensation) is part of the _______________.
life cycle
water cycle
rock cycle
5
1 pt
What is the most concentrated gas that is released into the air when fuels are burned?
carbon dioxide (CO2)
oxygen (O)
nitrogen (N)
6
1 pt
What does increased CO2 concentration in the air lead to ____?
rising temperatures worldwide
lowering temperatures worldwide
more sunlight on Earth
7
1 pt
What is the most common gas found in the "air" in space?
oxygen
nitrogen
helium
8
1 pt
What mixture of air is in pressurized bottles that astronauts breathe while in a space station?
nitrogen and oxygen
Carbon dioxide and oxygen
nitrogen and helium
9
1 pt
What gas creates a problem for astronauts living in a space station when they exhale?
oxygen
carbon dioxide
nitrogen
10
1 pt
What does pressurized gasses in tanks used by astronauts and divers do?
Increases the concentration of oxygen and nitrogen.
Decreases the concentration of oxygen and nitrogen.
Stabilizes the concentration of oxygen and nitrogen.
11
4 pts
Write a summary of the reading "The Air." Your summary should include the important main ideas of the text. (approximately 5 sentences)
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