Earth
Earth spins on its what?
Axis
This physical system or sphere consists of all of Earth's waters.
Hydrosphere
What is climate?
the average weather conditions over a long period of time.
What is large continuous mass of land called?
Continent
This landform rises above the surrounding land.
plateau
The Earth's trip around the sun takes about 365 days is called what?
Revolution
This physical system or sphere consists of all of Earth's land.
Lithosphere
Rain and snow are examples of what?
Precipitation
Earth's rigid crust is made of 16 enourmous pieces called what?
This landform can be flat or have gentle roll and can be found along coastlines.
plain
The center of Earth is divided into how many parts?
Inner and outer core
This physical system or sphere consists of all of Earth's gases.
Atmosphere
Give me one type of climate zone?
Tropical, desert, humid temperate, cold temperate, polar, high mountain
The process by which weathered bits of rock are moved elsewhere by water.
Erosion
This landform is a long, narrow, steep sided cut in the ground.
trench
The outermost part of Earth is called what?
The crust.
This physical system or sphere consists of all of Earth's living things.
Biosphere
What factors shape Earth's weather and climates?
Wind and ocean currents.
Smallest of the ice masses.
glacier
This landform is an underwater plain that borders a continent.
continental shelf
Every 4 years we add an extra day to February what kind of year is this called?
Leap year
What causes the Earth's seasons?
The tilt of the Earth.
Rain forests, deserts, grasslands, and tundras are all examples of what?
Biomes or ecosystems
Name 3 of the 7 continents.
N. America, S. America, Europe, Asia, Australia, Antarctica, Africa
This landform is an area where sand, silt, clay, or gravel are deposited at the mouth of a river.
delta