Unit 37. Physical world. Flashcards
drought
a long period when there is little or no rain
hurricane
a violent wind that has a circular movement, especially in the West Atlantic Ocean
flood
to cause to fill or become covered with water, especially in a way that causes problems
earthquake
a sudden violent movement of the earth’s surface, sometimes causing great damage
eruption
an occasion when a volcano explodes, and flames and rocks come out of it, or the act of doing this
volcanic
of, relating to, or made by a volcano (= a mountain with a hole at the top through which hot liquid rock is or has been forced out)
volcano
a mountain with a large, circular hole at the top through which lava (= hot liquid rock) gases, steam, and dust are or have been forced out
disaster
(an event that results in) great harm, damage, or death, or serious difficulty
desert
an area, often covered with sand or rocks, where there is very little rain and not many plants
forest
a large area of land covered with trees and plants, usually larger than a wood, or the trees and plants themselves
mountain range
a group or line of mountains with a particular name
jungle
a tropical forest in which trees and plants grow very closely together
mountain
a raised part of the earth’s surface, much larger than a hill, the top of which might be covered in snow
waterfall
water, especially from a river or stream, dropping from a higher to a lower point, sometimes from a great height
falls
often used in place names to mean a very wide waterfall, often made of many separate waterfalls
river
a natural wide flow of fresh water across the land into the sea, a lake, or another river
lake
a large area of water surrounded by land and not connected to the sea except by rivers or streams
sea
the salty water that covers a large part of the surface of the earth, or a large area of salty water, smaller than an ocean, that is partly or completely surrounded by land
ocean
a very large area of sea
island
a piece of land completely surrounded by water
country
an area of land that has its own government, army, etc.
continent
one of the seven large land masses on the earth’s surface, surrounded, or mainly surrounded, by sea and usually consisting of various countries
equator
an imaginary line drawn around the middle of the earth an equal distance from the North Pole and the South Pole
the South Pole
the point on the earth’s surface that is furthest south
the North Pole
the point on the earth’s surface that is furthest north
Earth
the planet third in order of distance from the sun, between Venus and Mars; the world on which we live
the Moon
the round object that moves in the sky around the earth and can be seen at night
star
a very large ball of burning gas in space that is usually seen from the earth as a point of light in the sky at night
Sun
the star that provides light and heat for the earth and around which the earth moves
