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الكشف اللهبي عن عناصر المجموعة الثانية
لإضافةl: 9th March 2010
اضيف بواسطة: Semanoor05
المشاهدات: 305
تعليقات: 0

توضيح مفهوم الطيف الذري ، و بيان كيفية انبعاث الطاقة ( الضوء) من الذرة ، مرفقة بأمثلة و تجارب موضحة لها

السمات: الطيف الخطي الأطياف الذرية الحالة الغازية عنصر عناصر متهيج المدارات الخارجية الإلكترونات الذرات اللهب الترسيب atomic spectrum
إشعاعات من الفضاء - بنين
لإضافةl: 19th February 2010
اضيف بواسطة: Semanoor10
المشاهدات: 2940
تعليقات: 0

إشعاعات من الفضاء - العلوم - الصف الأول المتوسط - الفصل الثاني

السمات: الأشعة الكونية Cosmic Rays الطيف الكهرومغناطيسي Electromagnetic Spectrum المنظار Telescope المرصد Observatory منظار هبل الفلكي Hubble Space Telescope
إشعاعات من الفضاء - بنات
لإضافةl: 19th February 2010
اضيف بواسطة: Semanoor10
المشاهدات: 689
تعليقات: 0

إشعاعات من الفضاء - العلوم - الصف الأول المتوسط - الفصل الثاني

السمات: الأشعة الكونية Cosmic Rays الطيف الكهرومغناطيسي Electromagnetic Spectrum المنظار Telescope المرصد Observatory منظار هبل الفلكي Hubble Space Telescope
Spectral bat ( Vampyrum spectrum)
لإضافةl: 25th August 2009
اضيف بواسطة: Semanoor15
المشاهدات: 387
تعليقات: 0

Painting of Spectral bat(Vampyrum spectrum):Vampyrum spectrum is the largest bat in the Americas. It attacks rats and doves stealthily by crawling or in flight. Using its keen senses of smell and hearing, its victims have little chance to escape. Meanwhile fishing bats use their extra-long sharp...

السمات: False Vampire Bat Linnaeus's False Vampire Bat the Spectral Vampire Bat vampire bat mammal animal animal white blank
مستويات الطاقة لذرة الهيدروجين وسلاسل أطيافها الذرية
لإضافةl: 23rd February 2010
اضيف بواسطة: Semanoor05
المشاهدات: 2132
تعليقات: 0

يوضح الفلاش كيفية حساب الطول الموجي ، و التردد للأشعة المنبعثة أو الممتصة نتيجة انتقال الإلكترون في ذرة الهيدروجين من مستوى طاقة إلى آخر، حيث يمكن للمستخدم أن...

السمات: الطيف الذري الأطياف الذرية الذرة تكمية الطاقة الكم الإلكترون الإلكترونات ذرة الهيدروجين بور ريدبرغ Energy Hydrogen Atom Atomic Spectrum Quantum Bohr Rydberg Electron Wave Frequency
Spectral tarsier (Tarsius spectrum)
لإضافةl: 5th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 238
تعليقات: 0

Painting of Spectral tarsier (Tarsius spectrum):At least on Minahassa Peninsula of northern Sulawesi.Spectral tarsiers inhabit secondary and primary forest, large grasslands, and, less often, plantations. They sleep, however, in hollow trees, crowns of coconut palms, or in thick vines.Not very...

السمات: Spectral tarsier Tarsius spectrum Animals animal wildlife wild animal Blank white mammal Eastern tarsier Sulawesi tarsier
Rhesus macaque (Macaca mulatta)
لإضافةl: 11th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 212
تعليقات: 0

Painting of Rhesus macaque (Macaca mulatta). Distributed in Afghanistan, Pakistan, India, Nepal, Bhutan, Bangladesh, Myanmar, China, Thailand, Laos, and Vietnam.Live in a very wide spectrum of habitats, ranging from semidesert scrub through dry deciduous and mixed deciduous...

السمات: Rhesus macaque Rhesus monkey Macaca mulatta Animals animal wildlife wild animal Blank white mammal
SPECTROSCOPE
لإضافةl: 19th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 236
تعليقات: 0

Vector generated image of Spectroscope:Spectroscopes are often used in astronomy and some branches of chemistry. Early spectroscopes were simply prisms with graduations marking wavelengths of light. Modern spectroscopes, such as monochromator, generally use a diffraction grating, a movable slit,...

السمات: Physics Rubidium Science Scientific Instrument Spectroscope Spectroscopic Camera Spectroscopy Spectrum Spectroscope chemistry Lab laboratory experiment equipment instrument science
SPECTROMETER
لإضافةl: 23rd September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 175
تعليقات: 0

Vector generated image of Spectrometer:A spectrometer (spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials.

السمات: Spectrometer electromagnetic spectrum spectroscopic spectrograph spectroscope
WATER VAPOUR SPECTRUM TUBE
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 214
تعليقات: 0

3D render image of Water Vapour Spectrum Tube:Use for the classic demonstration of spectral lines. Each tube has its own characteristic spectrum when energized before a spectroscope. This tube acquaints students with the spectra of common gases in their pure form as well as for demonstrating...

السمات: Spectrum water vapour tube spectral lines electrode physics science experiment laboratory
CARBON DIOXIDE SPECTRUM TUBE
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 200
تعليقات: 0

3D render image of Carbondioxide Spectrum Tube

السمات: Spectrum Carbondioxide tube spectral lines electrode physics science experiment laboratory
FILTERS
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 559
تعليقات: 0

Vector generated Image of Filters:An optical element that partially absorbs incident radiation, often called an absorption filter. The absorption is selective with respect to wavelength, or color, limiting the colors that are transmitted by limiting those that are absorbed. Color filters absorb...

السمات: color filters filters optical filters wave length
SPECTROSCOPE
لإضافةl: 30th September 2009
اضيف بواسطة: Semanoor15
المشاهدات: 249
تعليقات: 0

Vector generated image of Spectroscope:Spectroscopes are often used in astronomy and some branches of chemistry. Early spectroscopes were simply prisms with graduations marking wavelengths of light. Modern spectroscopes, such as monochromators, generally use a diffraction grating, a movable...

السمات: Physics Rubidium Science Scientific Instrument Spectroscope Spectroscopic Camera Spectroscopy Spectrum Spectroscope chemistry Lab laboratory experiment equipment instrument science
SPECTRUM LAMP
لإضافةl: 1st October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 233
تعليقات: 0

Vector generated Image of Spectrum lamp: It is specially designed for use in the classroom. It is powered from 220/240V.AC. 50/60Hz mains and is fitted with a flexiblemains cable. Spectrum tubes are special long thin discharge lamps (sometimes called Capillary lamps)which, during manufacture,...

السمات: Spectrum lamp
OSCILLOSCOPE
لإضافةl: 2nd October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 323
تعليقات: 0

Vector generated Image of Oscillsocope:An oscilloscope (abbreviated sometimes as scope or O-scope) is a type of electronic test instrument that allows signal voltages to be viewed, usually as a two-dimensional graph of one or more electrical potential differences (vertical axis) plotted as a...

السمات: oscilloscope spectrum analyzers
Emission spectrum of many atom
لإضافةl: 2nd October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 211
تعليقات: 0

Vector Generated Image of Emission spectrum of many atom

السمات: Emission sprectrum of atoms Hg helium emission sprectrum sr strontium emmision sprectrum Ca calcium emission sprectrum Cd cadmium emission spectrum Li lithium emission sprectrum Na Sodium emission sprectrum
A continuous spectrum containing all wavelengths of visible light
لإضافةl: 2nd October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 166
تعليقات: 0

Vector Generated Image of A Continuous spectrum containing all wavelengths of visible light

السمات: wave length of visible light sprectrum of light
Stealth Aircraft
لإضافةl: 9th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 248
تعليقات: 0

Vector generated image of Stealth Aircraft--Stealth aircraft are aircraft that use stealth technology to interfere with radar detection as well as means other than conventional aircraft by employing a combination of features to reduce visibility in the visual, audio, infrared and radio frequency...

السمات: Stealth aircraft Travel Commercial Aircraft Isolated Transportation Air Vehicle Flying Business white blank airplane air transport
Variegated fairy-wren ( Malurus lamberti)
لإضافةl: 12th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 178
تعليقات: 0

Painting of Variegated fairy-wren ( Malurus lamberti) DISTRIBUTION Widely distributed across Australia. M. l. assimilis found throughout Australia except for southwest, southeast, and far north; M. l. rogersi in Kimberley Division, M. l. dulcis in Arnhem Land, M. l. lamberti in coastal southern...

السمات: Variegated fairy-wren Malurus lamberti Variegated wren feathers nature animal zoo wildlife birds bird forest feather aves blank white
Redbacked fairy-wren ( Malurus melanocephalus)
لإضافةl: 12th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 178
تعليقات: 0

Painting of Redbacked fairy-wren ( Malurus melanocephalus) DISTRIBUTION Mostly tropical and along coastal belt. M. m. cruentatus across northern Australia; M. m. melanocephalus in northeastern Australia. HABITAT Tropical swamps, samphire flats, and woodlands with extensive grassy cover on...

السمات: Redbacked fairy-wren Malurus melanocephalus feathers nature animal zoo wildlife birds bird forest feather aves blank white
Striated pardalote ( Pardalotus substriatus)
لإضافةl: 13th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 136
تعليقات: 0

Painting of Striated pardalote ( Pardalotus substriatus) DISTRIBUTION Australia except for desert sections of interior. P. s. uropygialis: northern Australia; P. s. melvillensis: Melville and Bathurst Islands; P. s. melanocephalus: coastal belt of Queensland; P. s. ornatus: coastal New South...

السمات: Striated pardalote Pardalotus substriatus Black-headed pardalote; stripe-crowned pardalote; red-tipped pardalote; yellow-tipped pardalote feathers nature animal zoo wildlife birds bird forest feather aves blank white
Red-browed pardalote ( Pardalotus rubricatus)
لإضافةl: 13th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 151
تعليقات: 0

Painting of Red-browed pardalote ( Pardalotus rubricatus) DISTRIBUTION Arid areas across most of northern and central Australia. P. r. yorki confined to Cape York Peninsula. HABITAT Eucalyptus and acacias in drier woodlands, forest, and scrub. Frequent eucalyptus along river beds....

السمات: Red-browed pardalote Pardalotus rubricatus Fawn-eyed diamond bird feathers nature animal zoo wildlife birds bird forest feather aves blank white
Forty-spotted pardalote ( Pardalotus quadragintus)
لإضافةl: 13th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 174
تعليقات: 0

Painting of Forty-spotted pardalote ( Pardalotus quadragintus) DISTRIBUTION Restricted to southeastern Tasmanian coastal forests and woodlands. HABITAT Dry sclerophyll forest and woodlands; prefers white gum (Eucalyptus viminalis).FEEDING ECOLOGY AND DIET Gleans eucalyptus foliage and twigs....

السمات: Forty-spotted pardalote Pardalotus quadragintus Golden-rumped diamondbird feathers nature animal zoo wildlife birds bird forest feather aves blank white
Liquid Paraffin wax
لإضافةl: 13th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 355
تعليقات: 0

Vector Generated Image of Liquid Paraffin wax :Liquid paraffin, or mineral oil, is a mixture of heavier alkanes, and has a number of names, including nujol, adepsine oil, alboline, glymol, medicinal paraffin, or saxol. It has a density of around 0.8 g/cm3. Liquid paraffin (medicinal) is used to...

السمات: Liquid paraffin mineral oil nujol adepsine oil alboline glymol medicinal paraffin saxol wax
Puerto Rican emerald ( Chlorostilbon maugaeus)
لإضافةl: 14th October 2009
اضيف بواسطة: Semanoor15
المشاهدات: 235
تعليقات: 0

"Painting of Puerto Rican emerald ( Chlorostilbon maugaeus) DISTRIBUTION Puerto Rico, Virgin Islands. HABITAT Coastal mangroves to forested mountain summits. Open forest, woodland and coffee plantations, from sea-level to 2,625 ft (800 m).FEEDING ECOLOGY AND DIET Feeds on nectar of a wide...

السمات: Puerto Rican emerald Chlorostilbon maugaeus Antillian emerald feathers nature animal zoo wildlife birds bird forest feather aves blank white