Explaining the most important properties of Sound : Amplitude and Pitch , and showing some examples on each property

Learn about refraction of light and know some examples.

سؤال اختر صح أو خطأ يختبر بعض المعلومات عن الزلازل

In this game you'll see a picture of something you find at Christmas, or in Christmas songs and stores. For example, the first picture is of a fairy. Can you hit the letters 'F'A' 'I' 'R' and 'Y' as they go past on balloons? You must hit the...

Learn what forms tissues and organs and know some examples.

سؤال اختر الإجابة الصحيحة يختبر بعض المعلومات عن المعادن

Learn about malnutrition and give some examples of diseases caused by malnutrition.

Explaining the most important properties of Sound : Amplitude and Pitch , and showing some examples on each property

Vector generated image of Mandril(Mandrillus sphinx) in closeup:The Mandrill is the world's largest species of monkey.They are shy and reclusive primates that live only in the rain forests of equatorial Africa .The Mandrill is found in the tropical rainforests of southern Cameroon, Gabon,...

Painting of Malayan box turtle (Cuora amboinensis),They are omnivorous, with younger turtles tending towards more meat consumption and older turtles eating a more herbivorous diet. Although Cuora amboinensis is classified as Vulnerable by the IUCN, they are able to thrive in some areas of the...

Painting of Bachia bresslaui, DISTRIBUTION Cerrado ecosystem of central Brazil and northeastern Paraguay, South America.HABITAT The species is known to live in sandy soils. Distributional information is lacking and it is possible the species also uses...

Vector generated image of Convex lens:This type of lens is often used for close examination of small objects, 1)For an object far from the lens, the image appears upside down and smaller than the object.2)For an object located between F1 and twice the distance to F1, the image appears upside...

Vector generated image of Stroboscope Hand whirling fixed slits:A stroboscope, also known as a strobe, is an instrument used to make a cyclically moving object appear to be slow-moving, or stationary. The principle is used for the study of rotating, reciprocating, oscillating or vibrating...

Vector generated image of Solar Cell:A solar cell or photovoltaic cell is a device that converts light directly into electricity by the photovoltaic effect. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight, while the term photovoltaic...

Vector generated image of Electrolytic Cell:An electrolytic cell decomposes chemical compounds by means of electrical energy, in a process called electrolysis .The result is that the chemical energy is increased. Important examples of electrolysis are the decomposition of water into hydrogen...

Vector generated image of Electrolytic Cell:An electrolytic cell decomposes chemical compounds by means of electrical energy, in a process called electrolysis .The result is that the chemical energy is increased. Important examples of electrolysis are the decomposition of water into hydrogen...

Vector generated image of Taylor Percussion Hammer

Painting of Bottle Nosed Dolphin( Tursiops truncatus), Geographic Range Tursiops truncatus typically occupies waters with surface temperatures between 50 and 90 degrees Fahrenheit. Although some bottlenosed dolphins migrate seasonally (for example, populations along the Atlantic coast), they are...

Painting of Bowfin ( Amia calva),Geographic Range Bowfin are found as far north as the upper St. Lawrence River in Quebec and Ontario, and as far south as Southern Texas and Florida. They can be found from the east coast and west into South Dakota, Nebraska, Missouri, Kansas, and Central...

Painting of Saber-toothed blenny ( Meiacanthus migrolineatus),Geographic Range Blennies can be found in the Pacific, Indian, and Atlantic oceans, in tropical, subtropical, and temperate waters throughout the world. Habitat While blennies are primarily marine fishes, some members of the family...

Painting of Chain catshark ( Scyliorhinus retifer), DISTRIBUTION Present in the western North Atlantic from southern New England to Florida; found in the Gulf of Mexico from Florida south to Nicaragua. HABITAT A mostly deepwater species, demersal on the outer continental shelf to the upper slope...

Painting of American eel (Anguilla rostrata),DISTRIBUTION Western Atlantic from Greenland and the Atlantic coast of Canada and the United States to Panama and throughout much of the West Indies south to Trinidad. The range includes the Great Lakes, the Mississippi River, and the Gulf basin. It...

Painting of Brook trout (Salvelinus fontinalis), DISTRIBUTION North America in most of eastern Canada from Newfoundland to western side of Hudson Bay; south in Atlantic, Great Lakes, and Mississippi River basins to Minnesota and northern Georgia, United States. In general, south of...

Painting of Fusiform Muscles:Sometimes included in the parallel muscle group, these muscles are more spindle shaped, with the muscle belly being wider than the origin and insertion. Examples are Biceps Brachii and Psoas major .Fusiform muscles are arranged in a strap-like fashion to provide the...

Painting of Numeromodulator:A neuromodulator is a relatively new concept in the field, and it can be conceptualized as a neurotransmitter that is not reabsorbed by the pre-synaptic neuron or broken down into a metabolite. Such neuromodulators end up spending a significant amount of time in the...