Physical Geography Chapter 2-Lesson 1-3

How much of the Earth's atmosphere is nitrogen?

When winter begins in the Northern Hemisphere and summer starts in the Southern Hemisphere

Path the planet takes around the Sun

Process in which water vapor transforms into a denser liquid or a solid state

Underwater plain that borders a continent. Usually ends at a downward slope to the ocean floor

The long narrow band of volcanoes around the Pacific Ocean

How much of Earth's surface is water?

A giant ocean wave caused by volcanic eruptions or movement of the Earth under the ocean floor

An increase in the average temperature of Earth's atmosphere

Process that separates most of the dissolved chemical elements to produce safe drinking water

All that is living on the surface of Earth, close to the surface, or in the atmosphere

A large continuous mass of land

Water contained inside Earth's crust

Have a short summer season but are generally cold and windy

Earth's complete trip around the Sun

Long, narrow, steep-sided cut in the ground or on the ocean floor

An area where sand, silt, clay, or gravel is deposited at the mouth of a river

Gases combine with water vapor in the air to create toxic acids that fall to the Earth

Smallest of the ice masses,moves slowly over time,sometimes spreading outward on a land surface

How long does it take the Earth to revolve around the Sun?

How much of the water on Earth is freshwater?

The average weather conditions in a region or an area over a longer period

Areas that are hot and rainy, oftentimes with dense forest

Day and night in both hemispheres are equal length-12 hours of daylight and night everywhere

Day that has the most hours of sunlight during Earth's 24-hour rotation (start of summer)

Water deposited on the Earth in the form of rain, snow, hail, sleet, or mist

An imaginary line that runs through Earth's center from the North Pole to the South Pole

How many continents does Earth have?

What are the 3 layers of the Earth?

is the state of the atmosphere at a given time, such as during a week, a day, or an afternoon

A narrow strip of land connecting two larger land areas

What forms when plates grind against each other?

Can be flat or have a gentle roll and can be found along coastlines or far inland

What is melted rock called?

Earth's surface is worn away by forces such as wind,rain,chemicals and the movement of ice/air

The thin layer of gases that envelop Earth

Process by which weathered bits of rock are moved elsewhere by water, wind, or ice.

Caused by plate movements along fault lines and by the force of erupting volcanoes

How long does it take Earth to complete one rotation?

The 16 enormous pieces that make up Earth's rigid crust

Very cold, with ice and snow covering the ground most of the year

Is flat but rises above the surrounding land

Found only at the tops of high mountain ranges such as the Rockies, the Alps, and the Himilaya

Experience all types of weather with changing seasons

Heat energy from the sun causes liquid water on Earth to change into water vapor

How much of the Earth's atmosphere is oxygen?

Shapes that occur on the Earth's surface (plains, hills, plateaus, mountains, etc.)

Always dry, but they can be cold or hot, depending on their latitude