Geography Chapter 2 /Lesson 2

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

human actions

anything humans do to change the Earth mining strips the land cars cause air pollution digging canals cutting down forests

If a volcano erupts or the surface plates move suddenly under the ocean floor

Energy is transferred to earth's surface through the water creating a tsunami

Buildup and movement

a buildup of materials to create landforms sandy beaches are formed by waves, rivers deposit soil where they empty into lakes and oceans island,

Tsunami

a giant ocean wave caused by volcanic eruptions or movement of the earth UNDER THE OCEAN FLOOR

glacier

a large body of ice that moves slowly across land smallest of the ice masses

continent

a large, unbroken mass of land

Ring of Fire

a long band of Volcanos 24,000 miles long surrounding the Pacific Ocean

surface plates that make up Earth's crust move and shift over millions of years-SLOWLY cause....

creates landforms like mountains, volcanoes and deep trenches in the ocean floor

ice sheets

extend more than 20,000 square miles over Greenland and Antarctica

List in order of size the masses of ice and snow

largest-ice sheets then ice caps then glaciers

Different rocks erode at different rates

soft rock is eroded and weathered faster than dense rock

What is the difference between weathering and erosion?

...

The surface plates move suddenly along fault lines

Create and earthquake and can also create a volcano

tectonic plates are parts of what layer of Earth?

Crust

weathering

Process by which Earth's surface is worn away byNATURAL FORCES- wind, rain, chemicals movement of ice, flowing water or plants

erosion

Process by which weathered bits of rock are moved by wind,water ice Works with weathering to change surface features of EArth

fault

a place where two tectonic plates grind against each other

earthquake

a shaking or trembling of Earth, caused by the collision of tectonic plates or can occur when volcanoes erupt

tectonic plate

one of the 16 pieces of Earth's CRUST

Humans have damaged Earth's surface quickly and these changes threaten

safety and survival

What are two causes of earthquakes

volcanoes or collsion of tectonic plates

Ice caps

high altitude ice masses

Humans have change the environment of Earth faster and more completely because

of demand for food and natural resources grows with increase in population.

Large masses of ice and snow can form

valleys and plains

Why don't we feel the ground moving under us as the tectonic plates are moving

very slow movement inches per year and millions of years to see change and to create a new landform

what are some forces that can change the earth's surface

weathering ,erosion, buildup and movement and human actions


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