2.1 - 2.3 Review

Freshwater is not critical or needed for life on Earth.

The Ring of ________ is the most seismically active part of the world.

Oceans, lakes, rivers, and seas covermore than _______ percent of Earth’s surface.

The planet is made up ______ layers.

Plate tectonics is the ideathat the outer layer of the Earth is divided intoenormous puzzle-like pieces called saucers.

The process of moving sediment to new locations on the surface of the Earth is called _________.

The natural forces of erosion, weathering, and tectonic plate action have formed the earth’s physical features.

Earthquakes and volcanoes are also caused by plate tectonics and can destroy entire areas in just minutes.

The orbit of theEarth around the sun, called a ________ , takes 365 1/4 days to complete.

The _________ is the line on which the Earth rotates.

Groundwater is water that is located _________ the surface of theEarth.

We call the time this revolution takesone calendar year.

Between the low and high latitudes are the mid-latitudes. These areas are called temperate zones.

The energy of colliding _____ is one of the major forces that create Earth’s land features.

The low latitudes, are located closest to the _________.

Weathering is the process by which rock is broken down in to smaller pieces.

___________ are sudden, violent movements of the Earth’scrust.

The high latitudes are located near and at the poles.

When it is winter in the Northern Hemisphereit is ________ in the Southern Hemisphere.

Places that receive more direct sunlightexperience a colder climate.