The spheres of earth student 9 9
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Transcript of The spheres of earth student 9 9
1000
1
50001000
200
10
A dollar can be divided into units of 10, just as meter can.
Meter
Liter
KilometerMeter/centimeter
Degree CelciusMilligram
Gramsecond
The Spheres of Earth
• The Atmosphere
• The Lithosphere
• The Hydrosphere
• The Biosphere
The Spheres of Earth• When viewed from near, you can see that
Earth is surrounded by a thin gas layer swirling with clouds. This represents one Sphere of Earth – the Atmosphere.
• The three Spheres of Earth which allow for life are:– ___________– ___________– ___________
The Spheres of Earth• Unlike the Moon, ___________
– Why is Earth’s gravity more than the Moon’s?
The Atmosphere• ___________
• It is made of about 78% nitrogen gas (N2), 21% oxygen gas (O2) and the remaining 1% is argon, water vapour, CO2, etc.
The Atmosphere
• Is critical to life on Earth
• It acts like a blanket
providing us with moderate
temperatures, protecting
us from solar radiation,
and ultraviolet light
• ___________
The Lithosphere
• Is the rocky outer shell of Earth containing the rocks and minerals that make up mountains, ocean floors and the land
• ___________
The Hydrosphere
• ___________
• Includes all oceans, lakes, ice, groundwater, and clouds
The Biosphere• Describes the locations in which life can
exist within the lithosphere, atmosphere and hydrosphere including several kilometers below the Earth’s surface
http://www.teachwithfergy.com/bill-nye-the-science-guy-the-atmosphere/
The tube with dry paper at both ends
There was no moisture to avoid in that tube.
There was no moisture to avoid in that tube.