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Deserts
• Video 115 Degrees in the Desert
• Title Page : Deserts
Deserts Video
Listen to and answer the following questions:
1. What is a desert?
2. How hot does it get during the day?
3. How cold does the desert get at night?
4. Most deserts are made of _ _ _ _ _
and _ _ _ _ _ _
Deserts Video
Listen to and answer the following questions:
1. What is a desert? An area that receives less than 250
millimetres of rainfall annually
2. How hot does it get during the day? 500C
3. How cold does the desert get at night? -200C
4. Most deserts are made of rocks and stones.
Types of Deserts
Arid Desert
• Located between 20°-30° from the equator
• Little humidity
• More solar radiation during the day
 hot, dry days
• Easy to lose heat during
the night
 cold, dry nights
• Low rainfall in concentrated
periods
Semi-Arid Desert
• Located between 30°-50° from equator
• Weather:
• Long, dry summers
• Cool evenings
• Low rainfall in
concentrated
periods
Cold Desert
• Winter: long and cold characterised by snowfall
• Summer: moist, moderately warm
• Mean temperature range: -210C to 40C
Coastal Desert
• Location: Western edge of continents near the Tropic
of Cancer and Tropic of Capricorn
• Cause: cold ocean currents
• Weather:
• Summer: moderately warm and
long
• Winter: cool
Where are deserts located?
Using the world map provided, copy the location of the deserts from page 159.
Make sure you use BOLTS and label the map exactly as it appears in figure 7.4
Once finished, answer Questions 2-5 on page 159.
Where are deserts located?
Key Terms
Oasis
• A place in the desert where there is a source
of water and where plants grow.
Key Terms
Desertification:
• the process by which useful agricultural areas on desert fringes change
into desert due to poor farming practices
Key Terms
Butte
A flat-topped hill with steep sides; a column of rock.
Atmospheric Process: Hot Air
Current

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Year7 geo deserts

  • 2. • Video 115 Degrees in the Desert
  • 3. • Title Page : Deserts
  • 4. Deserts Video Listen to and answer the following questions: 1. What is a desert? 2. How hot does it get during the day? 3. How cold does the desert get at night? 4. Most deserts are made of _ _ _ _ _ and _ _ _ _ _ _
  • 5. Deserts Video Listen to and answer the following questions: 1. What is a desert? An area that receives less than 250 millimetres of rainfall annually 2. How hot does it get during the day? 500C 3. How cold does the desert get at night? -200C 4. Most deserts are made of rocks and stones.
  • 7. Arid Desert • Located between 20°-30° from the equator • Little humidity • More solar radiation during the day  hot, dry days • Easy to lose heat during the night  cold, dry nights • Low rainfall in concentrated periods
  • 8. Semi-Arid Desert • Located between 30°-50° from equator • Weather: • Long, dry summers • Cool evenings • Low rainfall in concentrated periods
  • 9. Cold Desert • Winter: long and cold characterised by snowfall • Summer: moist, moderately warm • Mean temperature range: -210C to 40C
  • 10. Coastal Desert • Location: Western edge of continents near the Tropic of Cancer and Tropic of Capricorn • Cause: cold ocean currents • Weather: • Summer: moderately warm and long • Winter: cool
  • 11. Where are deserts located? Using the world map provided, copy the location of the deserts from page 159. Make sure you use BOLTS and label the map exactly as it appears in figure 7.4 Once finished, answer Questions 2-5 on page 159.
  • 12. Where are deserts located?
  • 13. Key Terms Oasis • A place in the desert where there is a source of water and where plants grow.
  • 14. Key Terms Desertification: • the process by which useful agricultural areas on desert fringes change into desert due to poor farming practices
  • 15. Key Terms Butte A flat-topped hill with steep sides; a column of rock.