Autumn changes in nature.

click fraud protection

for the comprehensive development of preschool children in kindergarten and primary school children is essential to pay attention to the natural changing of the seasons: spring, summer, autumn, winter.For example, the beginning of autumn and the new school year can be carried lesson "Autumn changes in the nature", clearly explained in the park for a walk or in a class using pre-assembled material subject of learning.Older children are the calendar changes in the weather, painting icons and drawing comparisons with previous years.It fixed autumn changes in the nature (and herbarium pictures attached).On the topic of the lesson you should pay attention to the guys on the following points.

Golden Autumn

In central Russia fall, really, "the eyes of enchantment", as the poet said.Summer heat and stuffiness changes coolness.The days are getting shorter and the nights - longer and darker.The first of these changes in the nature of autumn begin to respond trees.The leaves turn yellow and turn red, then slowly fly around, covering multi-colored carpet of the whole district.The period of the golden Indian summer, when nature was still pleased moderate sun when fruits ripen too late, and filled with sweetness and flavor, but the nights are getting colder and colder.

Listopad

This majestic and colorful natural phenomenon associated with biological changes occurring in almost all wild trees in the cooler periods of the year.The leaves fall off and thus allows plants to relax, prepare for a long hibernation, when all life processes are suspended inside the tree, and the juices are no longer circulate.Trees without leaves are spending much less water does not accumulate a lot of snow on branches in the period of snowfalls.And that means that the risk of mechanical damage are reduced.In addition, together with the plants shed their leaves and all kinds of pests, which then die at a time when the cold has arrived.We can say that changes in the nature of autumn begin to leaf fall.But this - in nature (after all, trees are also living beings with the ability to breathe and grow).How are changes in the autumn of inanimate nature, associated with the close approach of cold weather?

Mists

Indian Summer - a short period, usually ending with the onset of October.There are already signs of inclement weather.Fogs, thick, sticky, resembling in appearance milk, fill the autumn nature dampness and musty smell.In essence the mist - a thick cloud that is a result of the temperature drop is formed at the surface of the soil.Once warmer - the fog lifts.Moisture falls on withered grass and leaves in the form of frost (if the land is already quite cool).

Rime

The theme of autumn changes in inanimate nature is also such a thing as the frost.In essence - this is fine particles dew, frozen in the form of snowflakes.They cover the entire surface with a thin layer of prickly rough.This suggests that in the atmosphere were the first frost and freezing temperatures.

Winds and clouds

atmosphere autumn cold front brings more cold air masses.Winds react to it and change its direction, amplified, bringing bad weather and rainfall.This time of year sometimes it becomes muddy and extended, causing a change in the nature of autumn.

In turn, cumulus rain clouds bring a huge amount of rainfall.If the temperature does not change very rapidly, it is possible and early autumn feel strong winds and see and feel the rain and snow, as a consequence of the emergence of the cold cyclone.

ice and ice

In late November, it happens, the air temperature drops to negative values.Water surface of various reservoirs fettered first crusts of ice.It most often occurs in ponds and lakes, where there is almost no flow.Ice not quite got stronger, so the wind and currents carry it, forming the so-called autumn ice drift.

Ice covering the ground in the middle and at the end of autumn, is formed by a light frost, which does not give the rain turned into snow.The Earth has not cooled sufficiently to escape the snow blanket, a harbinger of strong frosts.

autumn Watching changes in nature, you can learn how to prepare the transition to the winter period of life, cold and snowy.When all around as if transfixed until next spring and the onset of warm days.

Autumn changes in wildlife

  • About Falling Leaves in trees and its significance for the life of the plants we have already mentioned earlier in this article.It should be emphasized that the trees also belong to nature, because they live and die, breathe and produce offspring.Plants fall - thorough preparation for the winter period, when all of them (living in natural conditions) hibernate: livelihoods and exchange juices decreases repeatedly.
  • Insects with the onset of cold weather hide and hibernate.It is a defensive reaction to the lowering of the temperature indicators.Many insects (eg, flies or bugs) crawl into crevices and cozy at first glance appear to be dead.But it is not.In the spring they may live, and will fly again.
  • Cold-blooded animals "sleep" due to the fact that they can not maintain the temperature necessary for existence.Snakes, frogs, reptiles and amphibians - all fall in late autumn into hibernation.
  • In the early autumn bird preparing for flight to warmer climes.Then begins their departure.Wintering birds will not fly away and hard to feed in the autumn woods.
  • Some mammals also hibernate in late autumn and early winter.But this is due not so much with the onset of cold weather and a lack of fodder for their winter.These animals include bears, badgers, marmots, hedgehogs, some rodents (gopher, hamster, Sonja).
  • Hibernating mammals intensively accumulate weight in the winter cold to spend its own fat for heat and power.

Thus, the animal world is preparing for the approximation of the winter cold season, in different ways in response to changes in the nature autumn.