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4.4 - Bodies of Water I
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Bodies of Water I
Take a look in this picture:
Where the water flows?
70% covered by water...who was the idiot who called this "Earth" and not "Water" or "Oceanus"?
We live in a country where 12 of the fresh water is in the rivers and lakes...
The True
Let's start by where the waters are running here in this rain...
Where?
Can you answer these questions:
• Does all the water flow
away or does some of it
collect in places?
• Where does the water
flow to?
• Where does it collect?
• If the water runs down a drain, where does it go then?
• Is there a pattern to any of this flow?
• How might these patterns differ for students who live on farms,
or reserves, or in communities without storm drain systems?
In Palmas
The water in Palmas generally flows from the streets to the water processing plants
Tocantins-Araguaia Basin
The Tocantins-Araguaia Basin borns in the state of Goias.
Tocantins starts near Brasilia and Araguaia starts near Mineiros, Goias.
The Tocantins Araguaia
It ends...
Close to Belem
It ends...
Regional
Climates
Regional
Climates
Just like waves, ocean currents are driven by wind energy. Winds are created by energy from the Sun warming the layers of the atmosphere. Because of the shape of Earth, the air at the equator receives more energy than the air at the poles. This makes the equatorial air warmer than the air from the poles. The molecules in the warmer air spread out, making that air less dense. The molecules in the cooler air stay closer together, making this air more dense. As the warmer, less dense, air rises, the cooler, more dense air moves in to take its place. This movement is wind.
Why Does It Rain More Around
Large Lakes?
Lakes
The Great Lakes modify the local weather and climate. Because water temperatures change more slowly than land temperatures, lake waters gain heat in summer and release heat during cooler months. Dark colours absorb more solar energy than light colours. For this reason, the land, with its variety of colours and shades, absorbs more energy than the water does. Some of this energy is transferred from the land to the air making the air above land warmer and less dense than the air would be above water
Thunderstorms
Thunderstorms happen when warm, moist air rises and cools quickly in the atmosphere. If the air mass is warmer than the air that surrounds it, it will keep on growing taller.
Thunderstorms
Where Land meets Land
Mountain ranges force air upward, creating a gap that allows other air to flow in. If the
air flowing in is from the north, there will be a cooler northwest wind delivered to the
Warm, land behind the mountain.
Where Land Meets Land
The Effect of Microclimates
Microclimates
Microclimates are areas within a larger climate area that have
distinctly different characteristics. These areas may be warmer,
colder, wetter, or drier than their surroundings. Microclimates
are created by natural features such as mountains, or by plants
using or giving off water, creating shadows, or blocking wind.
But they can also be created by human-made structures such as
roads or buildings or even by air pollution.
Research!!
Working Together
Prepare and present in the next class one presentation about the Following Topics of the Book:
- How Rivers and lakes are formed (PG 303-304) - Gabriel e Souza
- The Formation of Ocean Floors (pg 304-305) - Alpino e Felipe
- How Waves and Tides are formed (pg 308-309) - Vaz e Kariston
- How Polar Icecapes affect the Climate (pg 322-323) - Asafe e Melo
- How Forests affect the Climate (pg 324-325) - Ester e Mateus
- How Ocean Currents affect the Climate (pg 327-328) - Lanna e Fragoso