What is Geography?Geography is the study of

the land, water, plants, animals and people of a

placeFourth Grade

Science and Social Studies

What are landforms?

• Landforms are the natural shapes or features of the Earth’s surface

• There are many different types of landforms found on the earth.

Tectonic plates

• Parts of the Earth’s crust slowly moved and pushed together the forces wrinkled the land making mountains, valleys, and other landforms

GlacierA glaciers are

huge sheets of ice, that move slowly carving and scraping soil and rocks, changing the Earth’s surface

Erosion

Erosion is the wearing away over time by wind, water, or ice

mountain

A mountain is a place on the Earth’s surface that is much higher than the land around it.

                                    

 

ridgeA ridge is

the top edge of a mountain range

peakA peak is

the top edge of a mountain

canyonA canyon is a deep valley with very steep sides.

                                                        

valleyA valley is a lowland area between higher lands such as hills or mountains.

               

                                  

        

hillA hill is

usually a rounded elevation of land much lower than a mountain

plainA plain is a flat area on Earth’s surface.

plateauA plateau is a flat area higher than the land around it.

desertA desert is very dry region of land

Did you know that 71% of the Earth’s

surface is covered by water?

riverA river is a long flowing body of water.

deltaDelta is a

triangular- shaped area of land at the mouth of a river

lakeA lake is water that is completely surrounded by land.

oceanOceans are the largest bodies of water on Earth.

coastA coast is the area where the ocean touches the land.

peninsulaA peninsula is a piece of land that is connected to a large land mass and is almost surrounded by water

islandAn island is land that is completely surrounded by water.

Estuary An estuary is a mix of salt water

and fresh waterPhiladelphia

Delaware River

TributaryTributary is a smaller river or stream

that flows into a large river

Take the land form quiz

Click on the link below:

http://www.quia.com/quiz/117248.html