Scientific Method Earth Science Branches DensityMaps More Maps
What is the first step in the scientific method?
State the problem
What are all the variables NOT being tested called?
Constants
Why do we do repeated trials?
To reduce error
What term describes the changes we made to the airplane?
Independent Variable
An idea that has been tested repeatedly and gains acceptance is called what?
A Theory
What is the branch which studies clouds and precipitation?
Meteorology
What is the branch which studies volcanoes and earthquakes?
Geology
What is the branch which studies planets and stars?
Astronomy
What is the branch which studies salinity and surface currents?
Oceanography
What is the sub branch of geology which studies earthquakes?
Seismology
In what units do we measure mass?
Grams or Kilograms
What measurement are we making when we use a graduated cylinder?
Volume
What calculation are we making when we divide mass by volume?
Density
How should we determine the volume of a metal cube?
Length x Width x Height
How would we determine the DENSITY of a plastic marble?
First: Use balance to measure mass in grams. Second: Use graduated cylinder to measure volume by water displacement. Third: Divide mass by volume.
What is the 180 degree line of longitude?
International Date Line
What is another name for parallels?
Latitude lines
What are the marks inside a closed loop contour line that show a depression called?
hachures
What is the elevation of the ocean?
0 feet
What happens to contour lines as they cross a river or stream?
They “V” (point) upstream.
What is the distance between two adjacent contour lines called?
Contour interval
What shows a steep slope on a topographic map?
Closely spaced contour lines
What color are contour lines?
brown
What part of the legend is used to calculate distance?
scale
What is the term used to describe an exact measured elevation, and what are its map symblos?
A benchmark which is represented by a “X”, “BM”, or