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19 Cards in this Set
- Front
- Back
What is a representation of an object or process called?
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A Model.
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What does a compass needle point to?
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The magnetic north pole.
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What is the basic International System of Units measurement for length? For mass? For volume?
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The Metric system.
The standard or base units of length are meters mass are kilograms and volume is cubic meter |
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What helps scientists quickly analyze data?
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computers.
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What kind of model would a scientist use to track variables that affect climate change?
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A physical model
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What long-standing scientific theory changed when new observations were made?
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The Earth-centered universe theory
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What describes a system of ideas that explains related observations and is supported by scientific evidence?
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Theory
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What kind of map would be used to identify folded, tilted or broken rocks?
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Contact lines on geologic maps
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What kind of map shows the relationship between distance on Earth's surface and distance on the map?
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Scale
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What is a darker, heavier contour line called?
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index contour
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What is another name for the height of an object above sea level?
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Altitude
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What is the difference in elevation between one contour line and the next called?
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contour elevation
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What are variations in the elevation of a land surface called?
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relief
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What does the BALANCE TOOL do?
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measures mass
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What does the SPRING SCALE TOOL do?
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measures force
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What does the THERMOMETER do?
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measures temperature
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What does the COMPUTER do?
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they are used to make complex models and calculations
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What does the PASSIVE REMOTE SENSING SYSTEM do?
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sensors record the amount of different kinds of electromagnetic radiation that is emitted or reflected by objects. The data are gathered by a satellite-mounted sensor and are recorded as a series of numbers. These #s are beamed to a ground station where a computer processes the data and converts it into a satellite image of the Earth's surface
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What does a GLOBAL POSITIONING SYSTEM do?
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(GPS) is a system of orbiting satellites that send radio signals to receivers on Earth. The receivers calculate the latitude, longitude, and elevation of a given place.
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