Seasons and Weather

Seasons and Weather PowerPoint PPT Presentation

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Seasons and Weather

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1. Chapter 3 Seasons and Weather

2. solstice The day on which the sun is at its farthest north or farthest south latitude

3. equinox When the day and night are the same length; happens twice a year

4. climate Weather at a particular location over a long period of time.

5. weather The atmosphere at a particular location and time.

6. Precipitation Water droplets falling in the form of rain, sleet, snow, or hail

7. Rain shadow The land on the leeward sides of hills or mountains

8. Hurricane Storms that form over warm, tropical ocean

9. Typhoon Hurricane in Asia

10. Tornado Powerful funnel-shaped column of spiraling air

11. blizzard A heavy snowstorm with winds of more than 32 mph

12. drought A long period without rain or very minimal rainfall

13. Section 2 climate

14. convection The transfer of heat in the atmosphere by upward motion of the air

15. El Nino The warming of waters off the west coast of South America.

16. Greenhouse Effect The theory that gases released by burning coal and petroleum traps of solar energy, causing higher temperatures

17. Latitude A measurement of system of the earth that can be divided into 3 zones low or tropical, middle or temperate, and high or polar

18. Ocean Current A large circular system of flowing water that moderates a region’s climate

19. Section 3 World climates Regions

20. Climates The two most significant factors in defining different climates are precipitation and Temperature.

21. Types of Climates

22. Tropical Wet Always hot with lots of rain. South America

23. Tropical Wet and Dry This sub-region has a rainy season in summer and a dry winter. It is cooler in the dry season and warmer in the wet season

24. Semiarid This sub-region does receive precipitation, just very much of it. Summers are hot and Winters are mild to cold.

25. Desert Receive less then 10” of rainfall a year. Two types Hot deserts (Sahara) very hot days and dropping temp. at night Cool/cold deserts (mid latitudes of N. Hemisphere). Winters very cold

26. Mediterranean Summers dry and hot winters cool and rainy

27. Marine West Coast Near the Ocean cloudy, foggy and damp. Temperatures are moderate

28. Humid Subtropical Summers long hot and humid Winters mild to cool

29. Humid Continental Great variety of temperature and rainfall. Definite four seasons

30. Sub-arctic Huge temperature difference between winter and summer. Summers short and cool Winters long and always cold, temp below freezing for five to eight months

31. Tundra The flat treeless lands forming a ring around the Arctic Ocean. Summer last only a few weeks and temps only reach into the 40’s.

32. Ice cap Snow and ice and permanent freezing temp.

33. Highlands Varies with latitude and elevation

34. Section 4 Soils and Vegetation

35. Ecosystem Is an interdependent community of plants and animals.

36. Biome An ecosystem region that is further divided into forest, grassland, desert, and tundra

37. Deciduous trees Broadleaf trees such as maple, cottonwood, oak, and birch

38. Coniferous trees Needle leaf trees such as pine, fir these trees are cone bearing trees.

39. Savanna Tropical grasslands that are treeless plains

40. Steppe Grassland in Northern Hemisphere also known as the prairie.

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