Sun Energy
Energy from the sun helps crops grow, provides light, and warms Earth. It even infl uences the clothes we wear, the foods we eat, and the sports we play. All life on Earth requires s
Solar Energy
The movement of water from Earth’s surface to the atmosphere and back. The sun’s energy drives the water...
water cycle
The movement of sediment from one location to another. It can wear away or build up landforms. Wind, ice, and water all cause it.
Erosion
The name of a region that circles the Pacific Ocean known for its fiery volcanoes and powerful earthquakes.
Ring of Fire
Every point on Earth has a location, a description of where it is. This location can be expressed in many ways. Sometimes a site’s location is expressed in specifi c, or absolute, terms, such as an address.
Location
Some regions on Earth have seasons marked by rainfall rather than temperature. This is true in the...
Tropics
One of the greatest water problems people face is a lack of
available freshwater
One force that wears away landforms is called... It is the process by which rock is broken down into smaller pieces.
Weathering
One of the best-known volcanoes in the Ring of Fire is...
Mount Saint Helens
People are constantly moving. They move within cities, between cities, and between countries. Geographers want to know why and how people move.
Movement
The change in seasons is created by the Earth's...
tilt
Water does more than just quench our thirst. It provides us with many benefits, such as:
food, power, and even recreation. Water’s most important benefi t is that it provides us with food to eat. Everything we eat depends on water. For example, fruits and vegetables need water to grow.
Tectonic plates also slide past each other. As plates pass by one another, they sometimes grind together. This grinding produces....
Earthquakes
Why do geographers and scientists study volcanoes and earthquakes?
To better predict when they might occur. They need to be able to tell people when to evacuate.
How people and their physical environment affect each other. An area’s environment includes its land, water, climate, plants, and animals.
Human-Environment Interaction (HEI)
It takes 365¼ days for Earth to complete one...
revolution (or a trip around the sun)
Water also occurs in the air as an invisible gas called
water vapor
The second type of plate movement causes plates to separate. As plates move apart, gaps between the plates allow magma, a liquid rock from the planet’s interior, to rise to Earth’s crust. This liquid is called...
Lava
Mount Saint Helens occurred in 19___
1980
It refers to the area’s landscape, the features that defi ne the area and make it different from other places. Such features could include land, climate, and people. Together, they give a place its own character.
Place
The distance north or south of Earth’s equator
latitude
Vast bodies of water covering some 71 percent of the planet’s surface.
Oceans
Name a landform formed by plate movement (collision, pulling apart, sliding under one another, etc).
ocean trenches, mountains, continental drift, etc..
The Ring of Fire stretches from the tip of South America all the way up to...
Alaska
Areas that share common characteristics. The Mojave Desert, shown here, is defined by its distinctive climate and plant life.
Regions