Our Physical World

A particular land surface feature, such as a mountain.

• Landform

• Topography

• Hill

• Earthquake

The long-term balance of temperature, precipitation, wind and cloud cover.

• Climate

• Weather

• Global Pressure Zones

• Atmosphere

What does "atmos" mean?

• air

• life

• earth

• water

The outer, rocky shell of the earth that we live on

• Biosphere

• Hydrosphere

• Cryosphere

• Lithosphere

True or False: Topography, like mountains, is temporary. That means it changes over time.

• True

• False

A large, natural stream of flowing water.

• Island

• Drainage Basin

• River

• Lake

The earth can be divided into four ______________, or half-spheres.

What is the largest drainage basin in the world?

• Mississippi River Basin

• The Nile Basin

• The Amazon Basin

• Rupert's Land

The frozen water of the hydrosphere is also called

Which environmental region receives an average of 79" to 394" of rainfall each year?

• Boreal

• Tropical Rainforests

• Polar

• Temperate Forests