| A | B |
| Earth Science | study of knowledge about the earth and it's place in the universe |
| Astronomy | study of the universe beyond the earth |
| Geology | study ofthe forces that have shaped the earth |
| Meteorology | study of the earth's atmosphere |
| Oceanography | study of the earth's oceans |
| Time | measured in seconds |
| Length | measured in meters |
| Volume | measured in liter |
| Temperature | measured in celsius degree |
| Mass | measured in grams |
| Example of Direct Measurement | a CD is 90 minutes long |
| Example of Indirect Measurement | distance to Alpha Centari |
| An opinion about the original hypothesis based on data | drawing conclusions |
| A hypothesis that is supported by many careful experiments | theory |
| all the information gathered during an experiment | data |
| a possible explanation of an event | forming a hypothesis |
| picture, object, or demonstration that tries to show real life | scientific model |
| when you ask a question about an earth science event | stating a problem |
| once you have stated the problem, the next step is | gathering information |
| something that is kept the same throughout the experiment | control |
| When you look for a connection between the variable and event | testing a hypothesis |
| something that may cause or change an event | variable |
| one way earth scientists work together | by reporting results |
| room used for collecting data | laboratory |
| hemisphere | one half of sphere that makes up Earth's surface |
| latitude | parallel lines located north and south of the equator |
| prime meridian | an imaginary line that makes a half circle and extends through Greenwich, England |
| equator | the imaginary line that extends halfway between the north and south poles |
| longitude | the distance measured in degrees east and west of the prime meridian |
| contour line | connects equal points of elevation |
| relief | the difference between the highest and lowest part of an area |
| topographic map | a model of all or part of eartht's surface as seen from above |
| contour interval | the elevation difference between one contour line to another |
| globe | sphere that represents earth's surface |
| plain | gentle rolling land with low relief |
| mountain | an area with high relief |
| plateau | an area with varying elevation but relatively low relief |