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Unit 1 Lesson 2
Vocabulary for Lesson 2
Question | Answer |
---|---|
Ecosystem | interdependent community of plants and animals. |
Lithosphere | the solid rock portion of the earth's surface. |
Atmosphere | the layers of gases immediately surrounding the earth. |
Hydrosphere | the waters comprising the earth's surface, including oceans, seas, rivers, lakes and vapor in the atmosphere. |
Biosphere | all the parts of the earth where plants and animals live, including the atmosphere, the lithosphere and the hydrosphere. |
Weather | the condition of the atmosphere at a particular location and time. |
Windward | on the side exposed to the wind or to prevailing winds. |
Leeward | the direction in which the wind is blowing. |
Climate | the typical weather conditions at a particular location as observed over time. |
Deciduous | a named characteristic of broadleaf trees, such as maple, oak, birch and cottonwood |
Coniferous | another word for needleleaf trees. |
Mixed forest | forest having both deciduous and coniferous trees. |
Chaparral | the term, in some locations, for a biome of drought-resistant trees |
Solstice | either of two times of year when the sun's rays shine directly overhead at noon at the furthest points north or south, and that mark the beginning of summer and winter; |
Equinox | each of the two days in a year on which day and night are equal in length; marks the beginning of spring and autumn. |
Rotation | the spinning of the earth on its own axis. |
Revolution | the earth orbiting (moving around) the sun. |
Tilt | the leaning of the earth on its axis at a 23.5 degree angle in relation to the sun. |
Indirect rays | sun rays that do not directly hit a particular area. |
Direct rays | sun rays that directly shine on a particular area. |