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

Distinguishing between the Electrical Insulators and the Electrical Conductors

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

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

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

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

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

Distinguishing between the Electrical Insulators and the Electrical Conductors

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...

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...

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...

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...

Painting of Bennett’s chinchilla rat (Abrocoma bennettii):It is found only in Chile..Low risk concern.Endemic to Chile, the range of Bennett's chinchilla rat extends from Copiapó, in the north, to Rio Biobio, in the South, from sea-level to elevations of 2,000 metres.Habitat...

Painting of Plains mouse (Pseudomys australis),The plains mouse population is unknown but presumed to be very small in Western Australia. This species is classified as “vulnerable”. Plains mice prefer open country where the ground is not sandy or too loose. This species lives in several...

Painting of White-throated wood rat (Neotoma albigula),The White-throated Woodrat is a species of rodent in the Cricetidae family. It is found from central Mexico north to Utah and Wyoming in the United States. The animal lives mostly in the Upper and Lower Sonoran life zones, occurring from...

Painting of Redeared slider (Trachemys scripta elegans),It is a native of the southern United States, but has become common in various areas of the world .Red-eared Sliders are omnivores and eat a variety of animal and plant materials in the wild including, but not limited to fish, crayfish,...

Vector generated image of Magnet:It is a material or object that produces a magnetic field. This magnetic field is invisible but is responsible for the most notable property of a magnet: a force that pulls on other ferromagnetic materials and attracts or repels other magnets.

Vector generated image of Scissor: It is an instrument used to cut the materials.

Vector generated image of Scissor:It is used to cut he materials into the desired size.

Vector generated image of Needle:It is used to tweeze the materials and lift them with out touching them and it is use to lay the cover slip on the slide.

Vector generated image of Electronic Weighing Scale:It is used to weigh the materials accurately

Vector generated image of Electronic Weighing Scale:It is used to weigh the materials accurately

Vector generated image of Electronic Weighing Scale:It is used to weigh the materials accurately

Vector generated image of Ball and Ring Gravesend's:Thermal expansion of solids and cavities. Most materials when heated will expand (water being one exception when its temperature is close to zero degrees Celsius). If various metals are heated in a Bunsen flame then they will expand....

Vector generated image of Weigh Dish:It is used to weigh the materials using this dish for easy handling of the material.