Polar Regions Flashcards
3 reasons why it’s cold
Sun rays travel further due to earths curve
Suns energy has to cover more ground
Snow and ice reflect because it’s white
Where are the polar regions
Artic and Antarctica
How cold in artic
-50 degrees Celsius
Why colder in Antarctica -80
Higher elevation
3 regions why polar is extreme environment
Sunlight only 1/2 a year followed by darkness on other 1/2
Limited drinking water
Food- plants hard to grow - fishing/hunting helps you survive
4 traditional things that help Inuit survive
Clothing made from seals, polar bear and caribou
Snow googles made of ivory - protects against snow blindness
Kayaks- for hunting and transportation
- made of stretched animal skins that cover a frame made of drift wood or whale bone
Snowshoes- prevents people from breaking through snow drifts or crusted snow- made from wooden hoop and raw hide
How have new technologies helped
AVU used to go under water to take measurements under ice shelves and in open seas
Rovers robotic vehicles to help with sci experiments relating to ice, snow, atmosphere, radiation and wild life
One future technology
Pod homes designed for use as a scientific research station in Antarctica.
They can withstand high winds, snowfalls and won’t sink into the ice.