Social Studies
Unit One
Chapter One
| agriculture | using the soil to raise crops or animals |
| boundary | a line or natural feature that divides one area from another |
| canyon | a deep valley with steep, rocky walls |
| capital | a thing that people use to make products |
| climate | the average weather of a place over a long period of time |
| conserve | to use resources carefully |
| desert | an area that gets very little rain |
| elevation | how high a place is above sea level |
| equator | an imaginary line that circles the center of Earth from east to west |
| harvest | to gather for use |
| human resources | people who make products or do jobs for others |
| humidity | the amount of water in the air |
| industry | a form of business |
| landform | a natural feature on Earth’s surface |
| manufacturing | making products to sell |
| mountain | a very high landform, often with steep sides |
| natural resource | something in the environment that people can use |
| nonrenewable resource | a resource that cannot be replaced |
| plain | a large area of mostly flat land |
| plateau | a large, flat, raised area of land |
| polar climate | the coldest climate |
| precipitation | the amount of rain or snow that falls |
| process | to change something |
| product | a thing that people make or grow |
| raw material | natural resource that has been changed to make other products |
| recycle | to use something again |
| region | an area in which many places are similar |
| renewable resource | a resource that can be replaced |
| service | a job that people do for others |
| subarctic climate | a colder climate that is close to being polar |
| temerate climate | a mild climate between tropical and subarctic climates |
| temperature | how warm or cold a place is |
| tropical climate | climate a climate in which it is usually warm all year |
| weather | what the air is like at a certain time and place |