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Earth Science
Earth Science Vocab/ 7th grade
| Question | Answer |
|---|---|
| What is Earth Science? | the name for a group of scientists that deals with Earth and its neighbors in space |
| What does geology mean? | means "study of the Earth" |
| What does Physical geology mean? | means the study of materials that make up the Earth |
| What does Historical geology mean? | means to establish a timeline of the vast number of physical and biological changes that have occurred in the past. |
| the study of the atmosphere. | Meteorology |
| study the composition and movements of the sea water. | Oceanographers |
| What happened to the denser elements ______ and _______ ... | iron and nickel |
| What makes up the hydrosphere? What percentage of the hydrosphere does the ocean make up? What percentage is fresh water? | Water; 97%; 3% |
| What are the 3 main parts of the geosphere? | Core, mantle, crust |
| What are destructive forces? | are like weathering and erosion on work to wear away high points and flatten out the surface |
| What are constructive forces? | are like mountain buildings and volcanism build up the surface by raising the land and depositing new material in the form of lava |
| What did the theory of plate tectonics provide geologist with? | A model to explain how earthquakes and volcanic eruptions occur and how continents move |
| _______ is the distance north or south of the equator, measured in degrees. | Latitude |
| _______ is the distance east or west of the prime meridian, measured in degrees. | Longitude |
| They show Earth's 3D surface in 2 dimensions & differ because they have _______. | contour lines |
| What does a contour interval tell you? | it tells you the difference in elevation. Lines that are closer together indicate a steeper slope, while lines apart indicate a gentler slope. |
| What two energy sources power Earth's system? | 1. Sun 2. Earth's interior |
| What can renewable resources do? | Renewable resources can be replenished over relating short time spans. |
| What does nonrenewable resources do? | Nonrenewable resources include iron, aluminum, and copper plus our most important fuels oil, natural gas, and coal. |
| What is a scientific theory? | is a well tested and widely accepted by the scientific community and best explains certain observable facts. |
| What is a scientific law? | is a statement that summarizes a pattern found in nature. |
Created by:
VickieJ10
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