Work Flashcards
What is the definition of a natural hazard?
A natural event with the potential to cause harm to people or the environment.
Example sentence: A hurricane is a natural hazard that can cause significant damage.
What is the outer layer of the earth called?
The outer layer of the earth is called the crust (bonus if oceanic/continental mentioned)
What do we call a piece of the earth’s crust?
A plate
Which type of plate boundary is caused when plates scrape past each other?
A conservative plate boundary. A famous one is the San Andrea fault in California
Which scale is currently used to measure the magnitude of earthquakes?
The Richter Scale (don’t accept Mercalli)
Which piece of equipment is used to record the power of earthquakes?
A Seismometer. The trace produced is known as a seismograph.
What do all of the following have in common: hurricane? Cyclone? Typhoon?
They are all names given to the same natural event – a tropical storm.
Describe the main location of tropical storms across the world?
Tropical storms are mainly located in a narrow band along the equator and extending to the Tropic of Cancer and Tropic of Capricorn. Credit for Atlantic/Pacific/Caribbean
What temperature does the sea need to reach for a tropical storm to form?
Above 26.5c/27c
What were the immediate impacts of Typhoon Haiyan?
Typhoon Haiyan damaged 1.1 million houses, destroyed 33 million coconut trees (a major source of livelihoods), and disrupted the livelihoods of 5.9 million workers. Overall damage is estimated at $5.8 billion. More than 7,000 people were killed by Typhoon Haiyan.1.9 million people were left homeless and more than 6,000,000 displaced. There were outbreaks of disease due to the lack of sanitation, food, water, shelter, and medication.
What is the difference between the greenhouse effect and global warming?
The greenhouse is a naturally occurring process which ensures the earth is kept at a temperature which supports life. Global warming is a man-made environmental issue primarily caused by the increase of greenhouse gases caused by the burning of fossil fuels.
Which four gases are most responsible for global warming?
Carbon dioxide, Methane, Nitrous Oxide and CFC gases.
True or false: Britain’s weather is getting more extreme?
True
What were the causes of the extreme weather event known as ‘the Beast from the East’?
Sudden stratospheric warming which brought very cold air from the east (Siberia). This coincided with Storm Emma which brought warm moist air from the south-west.
What is the difference between mitigation and adaptation in relation to climate change?
Mitigation is actions which seek to reduce the amount of greenhouse gases produced. Adaptation is learning how to cope with the changes to our climate.
What are 2 major effects of climate change?
Sea Level rise/Ice-caps melting/more extreme weather