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المواد الموصلة و العازلة للكهرباء
لإضافةl: 13th October 2009
اضيف بواسطة: Semanoor06
المشاهدات: 10179
تعليقات: 0

يتناول الفلاش المواد الموصلة للكهرباء و المواد العازلة (غير الموصلة للكهرباء) و يوضح مفهومهما بشكل مبسط من خلال عدّة أمثلة على كل منها

السمات: المواد الموصلة المواد العازلة الكهرباء التيار الكهربائي الكهربائية Electrical Insulators Conductors Electric Electricity Materials
Electricity and Materials
لإضافةl: 13th October 2009
اضيف بواسطة: Semanoor06
المشاهدات: 1571
تعليقات: 0

Distinguishing between the Electrical Insulators and the Electrical Conductors

السمات: المواد الموصلة العازلة الكهرباء التيار الكهربائي Electrical Insulators Conductors Electric Electricity Materials
Force - Understanding Magnets
لإضافةl: 31st January 2010
اضيف بواسطة: Semanoor05
المشاهدات: 497
تعليقات: 0

Learn that magnets attract magnetic materials and that like poles repel and unlike poles attract.

السمات: Physics Force Magnet Intel انتل فيزياء
Force - Stretching Materials
لإضافةl: 31st January 2010
اضيف بواسطة: Semanoor05
المشاهدات: 491
تعليقات: 0

Learn that extension is proportional to load, within the elastic limit of a material..

السمات: Physics Force Matter Stretch Material Intel انتل فيزياء
Force - Magnetic Fields
لإضافةl: 10th January 2010
اضيف بواسطة: Semanoor05
المشاهدات: 4
تعليقات: 0

Understand that a magnetic field is a region of space where magnetic materials experience forces and learn that magnetic field line patterns.

السمات: Physics Force Magnetic Field Intel انتل فيزياء
اختلاف سرعة الصوت في المواد - بنين
لإضافةl: 18th January 2010
اضيف بواسطة: Semanoor06
المشاهدات: 575
تعليقات: 0

اختلاف سرعة الصوت في المواد - العلوم - الصف الثاني المتوسط - الفصل الأول

السمات: صوت أصوات مادة مواد Speed Sound Material
اختلاف سرعة الصوت في المواد - بنات
لإضافةl: 18th January 2010
اضيف بواسطة: Semanoor05
المشاهدات: 534
تعليقات: 0

اختلاف سرعة الصوت في المواد - العلوم - الصف الثاني المتوسط - الفصل الأول

السمات: صوت أصوات مادة مواد Speed Sound Material
تفاعل البلمرة التسلسلي لمضاعفة المادة الوراثية
لإضافةl: 2nd February 2010
اضيف بواسطة: Semanoor05
المشاهدات: 986
تعليقات: 0

تعريف تفاعل البلمرة التسلسلي وتوضيح خطواته وتعداد استخداماته

السمات: بلمرة مادة وراثية الدم كائنات حية جينات مرض تفاعل Polymerization Polymer Genetic material Blood Organism Gene Disease Interaction Reaction
Re: تفاعل البلمرة التسلسلي لمضاعفة المادة الوراثية
لإضافةl: 2nd February 2010
اضيف بواسطة: Semanoor05
المشاهدات: 1223
تعليقات: 0

تعريف تفاعل البلمرة التسلسلي وتوضيح خطواته وتعداد استخداماته .

السمات: بلمرة مادة وراثية الدم كائنات حية جينات مرض تفاعل Polymerization Polymer Genetic material Blood Organism Gene Disease Interaction Reaction
ما هي الإلكترونيات - بنات
لإضافةl: 19th February 2010
اضيف بواسطة: Semanoor10
المشاهدات: 404
تعليقات: 0

ما هي الإلكترونيات - الفيزياء - الصف الثالث الثانوي - الفصل الثاني

السمات: الإلكترونيات electronics مادة موصلة conducting materials
ما هي الإلكترونيات - بنين
لإضافةl: 19th February 2010
اضيف بواسطة: Semanoor10
المشاهدات: 888
تعليقات: 0

ما هي الإلكترونيات - الفيزياء - الصف الثالث الثانوي - الفصل الثاني

السمات: الإلكترونيات electronics مادة موصلة conducting materials
Electricity and Materials
لإضافةl: 19th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 4
تعليقات: 0

Distinguishing between the Electrical Insulators and the Electrical Conductors

السمات: المواد الموصلة العازلة الكهرباء التيار الكهربائي Electrical Insulators Conductors Electric Electricity Materials
Deer mouse (Peromyscus maniculatus)
لإضافةl: 26th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 244
تعليقات: 0

Painting of a Deer mouse (Peromyscus maniculatus):It is a rodent native to North America.it is a carrier of emerging diseases such as hantaviruses and lyme disease.Deer mice are nocturnal creatures who spend the day time in areas such as trees or burrows where they have nests made of plant...

السمات: Deer mouse mouse Peromyscus maniculatus rodent hantavirus lyme disease.
Cougar ( Puma concolor)
لإضافةl: 26th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 292
تعليقات: 0

Painting of Cougar ( Puma concolor) :Mountain lions had the most extensive distribution of all American terrestrial mammals. They ranged from coast to coast in North America, and from southern Argentina and Chile to southeastern Alaska.Mountain lions use a wide variety of habitats including...

السمات: Cougar Puma concolor puma mountain lion catamount panther mammal animal animals white blank
Domestic cow’s ( Bos taurus)
لإضافةl: 26th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 352
تعليقات: 0

Painting of Domestic cow(Bos taurus):Like most domestic animals, Bos taurus (domestic cow) is currently found throughout much of the world. The wild ancestors of cows were native to northern Africa, Europe, and southern Asia.Cattle are born and raised on rangelands. Rangelands are unfertilized,...

السمات: Domestic cow Bos taurus cow domestic animal milking animal dairy animal dairy mad cow disease animal mammals animals white blank.
Domestic cow’s ( Bos taurus)
لإضافةl: 26th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 374
تعليقات: 0

Painting of Domestic cow(Bos taurus):Like most domestic animals, Bos taurus (domestic cow) is currently found throughout much of the world. The wild ancestors of cows were native to northern Africa, Europe, and southern Asia.Cattle are born and raised on rangelands. Rangelands are unfertilized,...

السمات: Domestic cow Bos taurus cow domestic animal milking animal dairy animal dairy mad cow disease animal mammals animals white blank.
Donkey small (Equus asinus)(Burro)
لإضافةl: 5th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 301
تعليقات: 0

Painting of Donkey small(Burro)(Equus asinus):Present Throughout all of the North American deserts.Wild Burros feed on a variety of of plants, including grasses, Mormon Tea, Palo Verde and Plantain. Although some moisture is provided by these plant materials, Wild Burros must have drinking water...

السمات: Animals animal wildlife wild animal Blank white mammal donkey small donkey burro wild donkey african donkey american donkey Equus asinus
House Mouse (Mus musculus)
لإضافةl: 5th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 266
تعليقات: 0

Painting of House Mouse (Mus musculus):It is a small mammal and a rodent.House mice usually walk, run or stand on all fours, but when eating, fighting or orienting themselves, they stand only on the hind legs, supported by the tail. When running, the horizontal tail serves for balance; the end...

السمات: Animals animal wildlife wild animal Blank white mammal rodent mice house mouse mouse Mus musculus
Marsh rabbit (Sylvilagus palustris)
لإضافةl: 14th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 305
تعليقات: 0

Painting of Marsh rabbit (Sylvilagus palustris), Range The mainland marsh rabbit, S. p. palustris, ranges from the Dismal Swamp, Virginia along the eastern coast to northern sections of Florida and through the Gulf Coast into Mobile Bay, Alabama.[3] It occupies coastal lowland...

السمات: Marsh rabbit Sylvilagus palustris Animals animal wildlife wild animal Blank white mammal
Female Highland cattle (Bos taurus)
لإضافةl: 8th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 247
تعليقات: 0

Painting of Female Highland cattle (Bos taurus):is currently found throughout much of the world. The wild ancestors of cows were native to northern Africa, Europe, and southern Asia.Domestic cows are common and can be found throughout the world. Cattle are born and raised on rangelands....

السمات: Female Highland cattle Bos taurus Animals animal wildlife wild animal Blank white mammal
Creek rat (Pelomys fallax)
لإضافةl: 8th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 230
تعليقات: 0

Painting of Creek rat (Pelomys fallax):Distributed throughout southern Africa, in northern Mozambique, northwestern Zimbabwe, northern Botswana, Zambia, the Congo, Malawi, Tanzania, southwestern Uganda, and southern Kenya.Inhabit streams, rivers, riverbanks, and swamps, or anywhere there is...

السمات: Creek rat Pelomys fallax Animals animal wildlife wild animal Blank white mammal Swamp rat groove-toothed swamp rat.
Mouse-like hamster (Calomyscus bailwardi)
لإضافةl: 8th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 251
تعليقات: 0

Painting of Mouse-like hamster (Calomyscus bailwardi):Central Asia, including Iran, Caucasus, Turkmenistan, Afghanistan, and Pakistan.Found in a variety of habitats, from barren hillsides to wet forests,They build nests in rock crevices and other protected areas; nests are woven of grasses and...

السمات: Mouse-like hamster Calomyscus bailwardi Animals animal wildlife wild animal Blank white mammal Asian hamster mouse
Thick-spined porcupine (Hystrix crassispinis)
لإضافةl: 8th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 240
تعليقات: 0

Painting of Thick-spined porcupine (Hystrix crassispinis):North Borneo, especially Kalimantan.Forests and cultivated areas.Nocturnal; terrestrial.Fallen fruits and other vegetable material.Lower Risk/Near Threatened.

السمات: Thick-spined porcupine Hystrix crassispinis Animals animal wildlife wild animal Blank white mammal Borneo short-tailed porcupine
Eastern rock sengi (Elephantulus myurus)
لإضافةl: 9th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 312
تعليقات: 0

Painting of Eastern rock sengi (Elephantulus myurus):distributed across southern Africa from western Mozambique in the north to Orange Free State in the south, and in southern Zimbabwe, eastern Botswana, and throughout the Transvaal.live in the semi-arid, temperate savannas of southern Africa,...

السمات: Eastern rock sengi Elephantulus myurus Animals animal wildlife wild animal Blank white mammal
Round-eared sengi (Macroscelides proboscideus)
لإضافةl: 9th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 227
تعليقات: 0

Painting of Round-eared sengi (Macroscelides proboscideus):Live throughout Namibia, Cape Province in South Africa, and southern Botswana. It prefers desert, semidesert, and scrub forest.Individuals hide in sparse grass cover or bushes, and can quickly burrow into the sand for protection.are...

السمات: Round-eared sengi Macroscelides proboscideus Animals animal wildlife wild animal Blank white mammal Short-eared sengi jumping shrew