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Reeves test 1
Reeve Earth Science Vocabulary 1
| Question | Answer |
|---|---|
| Latitude | the distance north or south of the equator, measured in degrees |
| Equator | divides the Earth in two, each half is called a hemisphere (divides into the Northern and Southern hemisphere) |
| Longitude | the distance east and west of the prime meridian, measured in degrees |
| Prime meridian | divides the Earth in two, each half is called a hemisphere (divides into Eastern and Western Hemisphere) |
| Hypothesis | a scientific explanation for a set of observations that can be tested in ways that support or reject it (educated guess) |
| Theory | a well established , reliable explanation of a natural physical phenomenon, |
| Variables | testing a hypothesis often involves designing an experiment that keeps track of various factors that can change |
| controlled experiment | only 1 variable is changed while all other variables are kept unchanged or controlled |
| topographic map | a map that shows Earth's surface in 3 dimensions(3D); it shows elevation, distance, directions, and slope angles |
| contour line | a line on a topographic map that tells an elevation ; every point along a contour line has the same elevation |
| contour interval | on a topographic map it tells the distance in elevation between adjacent contour lines |
| scale | represents the relationship between distances on the Earth's surface and a map |
| scientific method | the process of science that involves observing, asking questions, developing hypothesis, making & testing predictions, and analyzing & interpreting data |
| density | mass per unit volume of a substance usually expressed as grams per cubic centimeter |
| water displacement | a method of measuring irregularly shaped objects by placing the object in water. |