Unit 37. Physical world.

Question 1

drought

Answer 1

a long period when there is little or no rain

Question 2

hurricane

Answer 2

a violent wind that has a circular movement, especially in the West Atlantic Ocean

Question 3

flood

Answer 3

to cause to fill or become covered with water, especially in a way that causes problems

Question 4

earthquake

Answer 4

a sudden violent movement of the earth’s surface, sometimes causing great damage

Question 5

eruption

Answer 5

an occasion when a volcano explodes, and flames and rocks come out of it, or the act of doing this

Question 6

volcanic

Answer 6

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)

Question 7

volcano

Answer 7

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

Question 8

disaster

Answer 8

(an event that results in) great harm, damage, or death, or serious difficulty

Question 9

desert

Answer 9

an area, often covered with sand or rocks, where there is very little rain and not many plants

Question 10

forest

Answer 10

a large area of land covered with trees and plants, usually larger than a wood, or the trees and plants themselves

Question 11

mountain range

Answer 11

a group or line of mountains with a particular name

Question 12

jungle

Answer 12

a tropical forest in which trees and plants grow very closely together

Question 13

mountain

Answer 13

a raised part of the earth’s surface, much larger than a hill, the top of which might be covered in snow

Question 14

waterfall

Answer 14

water, especially from a river or stream, dropping from a higher to a lower point, sometimes from a great height

Question 15

falls

Answer 15

often used in place names to mean a very wide waterfall, often made of many separate waterfalls

Question 16

river

Answer 16

a natural wide flow of fresh water across the land into the sea, a lake, or another river

Question 17

lake

Answer 17

a large area of water surrounded by land and not connected to the sea except by rivers or streams

Question 18

sea

Answer 18

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

Question 19

ocean

Answer 19

a very large area of sea

Question 20

island

Answer 20

a piece of land completely surrounded by water

Question 21

country

Answer 21

an area of land that has its own government, army, etc.

Question 22

continent

Answer 22

one of the seven large land masses on the earth’s surface, surrounded, or mainly surrounded, by sea and usually consisting of various countries

Question 23

equator

Answer 23

an imaginary line drawn around the middle of the earth an equal distance from the North Pole and the South Pole

Question 24

the South Pole

Answer 24

the point on the earth’s surface that is furthest south

Question 25

the North Pole

Answer 25

the point on the earth's surface that is furthest north

Question 26

Earth

Answer 26

the planet third in order of distance from the sun, between Venus and Mars; the world on which we live

Question 27

the Moon

Answer 27

the round object that moves in the sky around the earth and can be seen at night

Question 28

star

Answer 28

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

Question 29

Sun

Answer 29

the star that provides light and heat for the earth and around which the earth moves