Seasons
Earth Systems
Grid System
Climates
5 Themes
100

Equal daylight and night time occurs on this day

Spring or fall equniox 

100

There are ____ (number of ) systems 

4

100

0 degrees N or S

Equator

100
Always hot and dry

Desert or arid

100

Tells the exact location of a place

Absolute location

200

The longest day of the year

summer solstice

200

All life on Earth

Biosphere

200

0 degrees Longitude

Prime Meridian

200

Always hot and humid

Tropical wet

200

Where something is located compared to something else

Relative location

300
The longest night of the year

winter solstice

300

All water on Earth

Hydrosphere

300

66 degrees north

Arctic Circle

300

70 degrees and sunny

Mediterranean 

300

The relationship between humans and their environment

Human-environment interaction

400

The Earth has seasons because of this

The 23 degree tilt of the Earth

400
All the gases on and surrounding the Earth

Atmosphere

400

The two boundary lines of the tropics

Tropic of Cancer

Tropic of Capricorn

400

Climate region that is at high elevations and gets colder as elevation increases

Highlands

400

A group of places unified by a common feature

Region

500

This is the season when North America is tilted away from the sun

Winter

500

The Earth's crust and layers

Lithosphere or Geosphere

500

The Prime Meridian run through this town

Greenwich, England

500

Climate region of Louisiana 

Humid subtropical

500

Describtes both the physical and human features of an area, city, etc.

Place