A
B
C
D
E
100

North, South, East, West

cardinal directions

100

The area a given space on the map or globe corresponds to in the real world.

scale

100

Ways to show Earth on a flat surface

projections

100

A process involving huge blocks of Earth’s crust and upper mantle (tectonic plates)

plate tectonics

100

The condition of the air and sky at a certain time and place.

weather

200

The directions in between.

intermediate directions

200

Loss of accuracy in the size or position of objects

distortion

200

A point at which, everywhere on Earth, days and nights are nearly equal in length

equinox

200

Seams in Earth’s crust

fault

200

The average weather of a place over many years.

climate

300

The position north or south of the equator

latitude

300

A process that breaks rocks down into tiny pieces

weathering

300

A point at which days are longest in one hemisphere and shortest in the other

solstice

300

A. Molten rock

B. To migrate out of a place

A. magma

B. Emigrate

300

Low latitudes

tropics

400

Position in degrees east or west of the Prime Meridian.

longitude

400

A process in which water, ice, or wind remove small pieces of rock and move them somewhere else

erosion

400

The process of depositing, or dropping, eroded material

deposition

400

The movement of water from Earth’s surface into the atmosphere and back again

water cycle

400

A. Middle latitudes

B. The movement of people from rural areas to urban areas

A. temperate zones

B. Urbanization

500

A. The development of machine-powered production and manufacturing

B. The loss of forest cover in a region

A. Industrialization

B. Deforestation

500

A. A useful material found in the environment

B. Formed over millions of years from the remains of plants and animals

A. natural resource

B. Fossil fuels

500

A. Similar communities of plants and animals

B. A group of plants and animals that depend on one another and their environment for survival

A. Biomes

B. Ecosystems

500

A. An intense rainstorm with strong winds that forms over oceans in the tropics

B. Reasons that push people to leave their home country

A. tropical rainstorm

B. Push Factors

500

A. The winds that most frequently blow across a region

B. Attract people to new countries

A. prevailing winds

B. Pull Factors