Physical Geography Quiz 2

A hailstorm is an unusual weather phenomenon in which balls of ice, called hail, fall from the sky. It is formed when drops of water freeze together in the cold upper regions of thunderstorm clouds.

Pure magnetite contains 72.4 percent iron, hematite 69.9 percent, limonite 59.8 percent, and siderite 48.2 percent, but, since these minerals never occur alone, the metal content of real ores is lower.

A biome is a large geographical area that contains distinct plant and animal groups which are adapted to live in that environment. They are the interactions between biota, such as plants and animals, within the environment, and many ecosystems can make up a single biome.

A pulsar is a highly magnetized rotating compact star that emits beams of electromagnetic radiation out of its magnetic poles.

Savannah is a large, flat area of land covered with grass, usually with few trees. It is also known as tropical grasslands, which are found to the north and south of tropical rainforest biomes.

The narrow stretch of water connecting two Seas is called Strait. Most commonly it is a channel of water that lies between two landmasses. Some straits are not navigable, for example because they are too shallow or because of an unnavigable reef or archipelago.

Equatorial regions experience hot and humid climates because this region receives direct sunlight, water from the sea gets heated and is evaporated at a high rate. The moistures in the water vapours cause humidity.

The Sun is the largest object in our solar system. It is composed of seven layers: three inner layers and four outer layers. The inner layers are the core, the radiative zone and the convection zone, while the outer layers are the photosphere, the chromosphere, the transition region and the corona.

Tropical storm in the Chinese Sea is known as Typhoon. It is the most intense typhoon in the South China Sea in the month of May. Tropical Cyclones also known as Hurricanes in the Atlantic.

The temperature at the surface of the Sun is about 5,600 °C. The temperature rises from the surface of the Sun inward towards the very hot centre of the Sun where it reaches about 15,000,000 °C.