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42 Cards in this Set
- Front
- Back
The first step of the scientific method is to |
observe |
|
According to the scientific method, which step is also know as "making an educated guess" |
hypothesize |
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An important characteristic of a scientific theory is that it must be |
falsifiable |
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Conventionally, the null hypothesis states that there is no difference between two samples |
true |
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A scientific theory is based on the info that we have at the time. |
True |
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The Mann-Whitney U test is an example of a |
statistical test |
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Scientists use quantitative methods in order to determine the statistical significance of observations and/or experiments |
true |
|
Lines of longitude are also called |
meridians |
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Lines of latitude are also called |
parallels |
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Longitude measures |
east and west |
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Latitude measures |
north and south |
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Is the prime meridian a natural reference point? |
no |
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What is the highest possible degree value for a measurement of longitude? |
180 |
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What is the highest possible degree value for a measurement of latitude? |
90 |
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How many miles does a single degree of latitude cover? |
69 |
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The distance in miles between degrees of longitude is constant |
False |
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Where do lines of longitude converge? |
at the poles |
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What is magnetic declination? |
Difference between true north and magnetic north |
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The greater the contour interval, the flatter the terrain |
False |
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To get an exact location on a map that has been zoomed in to a specific latitude and longitude, you will use what to get an even more specific location?
|
Degrees, minutes, and seconds.
|
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Contour lines never intersect
|
true |
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Contour lines do not 'point' upstream
|
false
|
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Every ____ contour line is a darker color and normally shows the elevation
|
5th |
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Define topography |
The shape of the land |
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Which contour interval indicates the most rugged terrain? |
100 ft |
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What is elevation? |
Height of the land above sea level |
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Gradient is NOT calculated by taking rise/run |
False |
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The Earth revolves and orbits the sun on its axis |
true |
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The earth is tilted ____ degrees from perpendicular |
23.5 N or S |
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The Tropic of Cancer is located on |
23.5 degrees North |
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The Tropic of Capricorn is located on |
23.5 degrees South |
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The antarctic circle is near which pole? |
south |
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the arctic circle is near which pole? |
north |
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If you were on the south pole on June 21st, you would experience |
24 hours of night- no daylight |
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The equinoxes occur |
september and march |
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What instrument measures atmospheric pressure? |
barometer |
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What instruments measures wind speed? |
anemometer |
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What unit is used to measure wind speed? |
knots |
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What unit is used to measure barometric pressure? |
millibars |
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dew point temperature is the temperature at which the air is |
saturated with moisture |
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a station model with an unfilled circle depicts what kind of scenario? |
clear skies, no clouds, sun |
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Fahrenheit and Celsius are used to measure two completely different weather variables? |
false |