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Views of Earth Today
Chapter one of the Earth Surface unit
36
Science
7th Grade
09/13/2009

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Cards

Term
Earth is considered a closed system because
Definition
matter cannot enter or leave
Term
Scientists use photos to track changes in plant and animal life. This is an example of how scientists study the
Definition
biosphere
Term
The most abundant gas in the Earth's atmosphere is
Definition
nitrogen
Term
Warm ocean water may provide energy that creates large tropical storms, or hurricanes. This is an example of how the hydrosphere may affect the
Definition
atmosphere
Term
A map scale expresses distance through a
a) table listing all possible distances
b) ratio of map distance to actual distance
c) grid equal to one square mile
d) graph of square kilometers
Definition
b) ratio of map distance to actual distance
Term
Two locations, one at 10 degrees N, 20 degrees E and one at 10 degrees N, 20 degrees W are both positioned in which hemisphere?
Definition
Northern Hemisphere
Term
Although Mercator maps distort Earth's surface at the poles, they are very useful for mapping
Definition
regions around the equator
Term
Which type of map shows the United States with the least amount of distortion?
Definition
Conic projection map
Term
On a topographic map, contour lines that form a closed circle may indicate what?
Definition
A hill on the Earth's surface
Term
The elevation of an area can be determined from a topographic maps
a) contour lines
b) relief lines
c) latitude lines
d) longitude lines
Definition
a) contour lines
Term
T or F
Satellites orbiting the Earth provide remote-sensing information.
Definition
True
Term
What are the four layers of the geosphere?
Definition
Inner core, outer core, mantle and crust
Term
Topographic maps show three main types of information. What types of information?
Definition
Elevation, slope, and relief
Term
What is the "Big Idea" of chapter one?
Definition
Modern technology has changed the way we view and map the Earth.
Term
This is the ability to cause change.
Definition
Energy
Term
This is the process by which liquid turns into gas.
Definition
Evaporation
Term
This is when hot material rises, cools, then sinks until it is heated again.
Definition
Convection
Term
This is energy that moves in certain types of waves.
Definition
Radiation
Term
This is an organized group of parts that work together to form a whole.
Definition
System
Term
Water covers three quarters of the surface of the Earth, how much of this is fresh water?
Definition
3%
Term
The greek prefix "geo" means what?
Definition
Earth
Term
The greek prefix "bio" means what?
Definition
Life
Term
The greek prefix "atmo" means what?
Definition
Gas
Term
The greek prefix "hydro" means what?
Definition
Water
Term
Why are globes more accurate than maps?
Definition
Maps-- trying to project the Earth's curved surface on a flat surface.
Term
What type of map shows how high or low each feature is on Earth?
Definition
Relief map
Term
A group of mountain ranges is called a
Definition
mountain belt
Term
Plateaus are often found near what?
Definition
Mountains
Term
T or F
Florida is located on the coastal plains of the U.S.
Definition
True
Term
What types of maps are most often used?
Definition
Road and city maps
Term
What chart explains the meanings of symbols on a map?
Definition
Legend or key
Term
What imaginary line runs from pole to pole through Greenwich, England?
Definition
Prime Meridian
Term
This imaginary line is located at 0 degrees latitude.
Definition
Equator
Term
GPS includes a network of how many satellites orbiting the Earth?
Definition
24
Term
Why do we use false-color images?
Definition
You can see changes more easily
Term
This is a computer system that can store, arrange and display geographic data in many different types of maps.
Definition
GIS, Geographic Information System
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