A _______________ is something harmful or dangerous
hazard
A force that pulls things towards the center of the Earth.
Gravity
A huge sheet of slow-moving ice
Glacier
This area is very rainy and receives more than 100 inches of rain per year. The forests have tall evergreen trees, shrubs, and wildflowers.
Pacific Northwest
Any living thing
organism
A tool used to measure earthquake activity
Seismometer
A ___________________ is a break in the Earth's surface where huge slabs of rock come together.
Fault
This area is very dry and receives less than 12 inches of rain per year. You find many cacti and reptiles here.
Southwest Desert
melted rock that flows from a volcano onto the Earth's surface
lava
The moving of sediment from one place to another
Erosion
To release melted rock, ash, and gases up through a volcano onto the Earth's surface
Erupt
This area is in the middle part of the United States and receives about 20 inches of rain per year. It is also called the prairie and bison live there.
Central Plains Grassland
A ____________________ is rapid movement of rock, soil, or other material down a hill or mountain.
landslide
This happens when rock breaks apart, wears away, or dissolves into smaller particles, or when material in rock changes.
Weathering
A series of ocean waves caused by underwater earthquakes, volcanoes, or landslides.
Tsunami
This area receives about 50 inches of rain per year. In the forests here, you will find many deciduous trees, owls, deer, and chipmunks.
Eastern Temperate Forest
__________________ is the laying down of sediment from one place to another.
Deposition
This is material that comes from the weathering of rock.
Sediment
This is formed when molten rock deep inside the Earth rises to the surface.
Volcano
What is a deciduous tree?
A deciduous tree is a tree that loses its leaves in the fall and grows new ones in the spring.