When light shines on the earth, different places heat up by different amounts. Snow reflects most of the incoming light, so snowy areas tend to stay cool. Dark areas, like black parking lots, absorb incoming light, and so will warm up.
In order to keep at a relatively constant temperature, the earth must get rid of energy too. And it does: As emitted thermal energy, infrared, that is transmitted to space. The hotter something is, the more infrared emitted. So a picture of the infrared that the earth emits shows us the hot spots and the cold spots. Look at the satellite photo at left; the American west is clearly pretty hot, as is appears quite bright. Cloudy patches appear dark; clouds absorb or reflect the infrared
from the surface, so we only see the infrared they emit. Clouds are cool, so clouds appear as dark spots. Deserts are hot during the day, because they absorb a lot of incoming radiation, but at night they radiate energy back to space, so they get quite cool.
When magma cools deep inside earth, igneous rockforms.
Igneous rock, such as basalt or rhyolite, is formed when magma cools at the Earth's surface.
Lava cools down and accumulates into rock as it reaches Earth's surface
If Earth's interior cools to a non liquid state, the convection currents will stop.
no sometimes it cools under earth's surface. that is called intrusive igneous rocks. when it reaches earth's surface and cools its called extrusive igneous rocks.
Igneous rock forms when melted rock (magma) from inside the Earth cools.
When Earth cools, most of the energy is transferred from Earth's surface to space through radiation. This process involves the emission of infrared radiation from the Earth's surface that travels through the atmosphere and into space.
Warm air on Earth rises, cools, and then descends. This process is known as convection, and it creates circulation patterns in the atmosphere.
Radiation
Radiation
When it cools inside the Earth, it's intrusive
When magma cools at the surface of the Earth, it cools very quickly and hardens on the Earths crust. However, it continues flowing underneath, forming interesting textures.