Looking at the Earth
Geographer's Tools
Layers of the Earth
Bodies of Water
Internal/External Forces
100

The study of the distribution and interaction of physical and human features on Earth

geography

100

a 3-dimensional representation of the earth

globe

100

The thinnest layer of the earth is the..

crust

100

True / False - Water covers about 3/4 of the earth's surface.

True

100

What are the pushes and pulls that can change the earth's surface?

Forces

200

Each half of the globe

Hemisphere

200

a 2-dimensional graphic representation of selected parts of the earth's surface.

map

200

center of the earth that is made up of iron and nickel

Core

200

The interconnected body of salt water that covers about 71% of our planet.

Ocean

200

Internal forces are movements and pressure that come from deep _________ the Earth.

inside

300

The imaginary line that encircles the globe, dividing the earth into northern and southern halves

Equator

300

Landmasses above water on Earth that were believed long ago to fit together like a jigsaw puzzle.

continents

300

Molten rock that can form in the mantle and rise through the crust to the surface

Magma

300

What body of water holds more than 95% of all the earth's fresh water supply?

Lake

300

External forces happen on the ___________ of the Earth.

surface

400

Imaginary line at zero meridian used to measure longitude east and west

Prime Meridian

400

What was the supercontinent called that was believed to have divided and formed our seven continents

Pangaea

400

Surrounds the core and has several layers which contain most of the earth's mass

Mantle

400

What is the continuous circulation of water between the atmosphere, the oceans, and the Earth?  

Hydrologic Cycle

400

Name 2 of the 3 internal forces of the Earth.

Volcanoes

Earthquakes

Mountain Building

500

What are the set of imaginary lines used to locate the north and south locations and east and west locations.

Latitude & Longitude

500

giant, moving pieces of the Earth's crust that floats on the semi-molten rock underneath and can cause earthquakes

tectonic plates

500

List the layers of the earth in order from the center to the surface.

Inner core, outer core, mantle, crust

500

What are the 3 basic motions of the waters of an ocean?

currents, waves, and tides

500

Name 3 of the 4 external forces of the Earth

Weathering

Erosion

Glaciers

Waves