A huge wave caused by a disturbance beneath the ocean, such as an
earthquake or volcanic eruption.
One of the series of imaginary lines that run north and south from one pole to the
other; used to measure in degrees the distance east and west from the Prime
Meridian.
a measure of how hot or cold something is, generally measured in degrees on a
set scale, such as Fahrenheit or Celsius.
Any one of the seven large land masses on the earth's surface: Africa, Asia,
Europe, North America, South America, Australia, Antarctica.
gradual warming of the earth and its atmosphere that may be caused in part by
pollution and an increase in the greenhouse effect.
Land area that is surrounded by water.
A system of government where the people choose their leaders and elected
representatives, and determine government policy based on the will of the
majority of the population.
the study of the earth and the ways people live and work on it.
A half of the earth; the equator divides the world into the Northern and the
Southern hemispheres. The Prime Meridian divides the world into the Eastern
and Western hemispheres.
Underground water-bearing layers of porous rock, sand, or gravel.
A material that humans take from the environment to survive and to satisfy their
needs.
A form of government in which the people elect their political officials.
the existence of impure, unclean, or poisonous substances in the air, water, and
land environment.
Land that lies between hills or mountains.
One of the series of imaginary lines that circle the earth parallel to the equator;
used to measure in degrees distance north and south from the equator.
The study of the earth's physical surface and history.
Where is my puzzle?