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Grade 4 SS. Def
ch 1 What on Earth is Geography
| Term | Definition |
|---|---|
| Geography | the study of the people and places of Earth. |
| Environment | all the surroundings and conditions that affect living things. |
| Hemisphere | one half of earth’s surface |
| Region | an area that is defined by certain features |
| Legend | a table or list that tells what the symbols on a map mean |
| Compass rose | a symbol on a map that shows direction |
| Scale | a ruler that shows distances on a map |
| Tectonic plate | a huge slab of slowly moving rock |
| Erosion | a process of wearing away rock and soil |
| Glacier | a huge mass of slowly moving ice |
| Basin | an area with a low center surrounded by higher land |
| Natural resources | things from the natural environment that people use |
| Renewable resources | things that the environment can replace after we use them |
| Nonrenewable resources | things that nature cannot replace after they are used |
| Product | something that is made from natural resources |
| Fossil fuel | an energy source formed by the remains of things that lived long ago |