Physical Geography Quiz 2

Marble is a metamorphic rock formed when limestone is exposed to high temperatures and pressures.

Pluto is farthest from the Earth. Our Solar System has eight planets which orbit the sun. In order of distance from the sun they are; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto, which until recently was considered to be the farthest planet, is now classified as a dwarf planet.

Tsunami is a Japanese word meaning 'harbor wave', and is sometimes called seismic sea wave.

Mica is common in igneous and metamorphic rock and is occasionally found as small flakes in sedimentary rock. It is abundant in many rocks, e.g., shale, slate, phyllite, schist, gneiss, and granite.

An estuary is an area where a freshwater river or stream meets the ocean. In estuaries, the salty ocean mixes with a freshwater river.

The Campos, grassland with few trees or shrubs except near streams, lies between 24°S and 35°S; it includes parts of Brazil, Paraguay and Argentina, and all of Uruguay.

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

Volatile Matter (VM) is the percentage loss in mass, adjusted for moisture, when coal is heated out of contact with air under standard conditions. Anthracite has the lowest proportion of volatile matter.

The ocean is the most stable ecosystem. It is stable due to its natural liquid nature (saline), dissolved oxygen, light and temperature.

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.