Erstellt von Megan Kemp
vor fast 7 Jahre
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Frage | Antworten |
Geological Hazards | Caused by tectonic processes Volcanoes Earthquakes Landslides Avalanches |
Meteorological hazards | caused by weather and climate Eg tropical storms Heatwaves Blizzards |
Natural hazards | When something is a threat to people or property |
Core | The core is the centre of the earth and is made up of iron |
Mantle | The mantle is around the core, and is made of semi-molten rock |
Crust | Outer layer of the earth |
Name the 3 types of plate margins | Destructive Constructive Conservative |
What is a plate margin ? | Where the plates meet |
What is a destructive plate margin ? | Where two plates are moving towards each other When they meet they often Create volcanos and ocean trenches |
What is a constructive plate margin ? | Where two plates are moving away from each other Then magma fills the gap |
What is a conservative plate margin ? | Where two plates are moving sideways against each other |
How is a volcano formed ? | 1. The plate moves down into the mantle 2. A pool of magma forms 3. Magma rises through the cracks 4. Magma erupts to the surface |
How are earthquakes formed ? | Earthquakes are caused when tension builds up when two plates meet |
What is an epicentre? | The middle of an earthquake |
How are earthquakes measured ? | A Richter scale Or A Mercalli scale |
Why do people choose to live near volcanoes ? | 1. Soil around volcanoes is fertile meaning the can grow crops 2. They are tourist attractions |
What are the management strategies to reduce a tectonic hazard ? | Monitoring Prediction Protection Planning |
What does eye mean ? | The centre of a tropical storm |
What is a tropical storm | Are areas of intense low pressure with heaving rain and strong winds |
Name the 7 different weather hazards in the UK | Rain Snow and ice Hailstorms Drought Wind Thunderstorms Heatwaves |
What does climate change mean ? | An significant change in the earths climate over a long period |
Natural factors that affect climate change ? | 1. Orbital changes - the way the earth moves around the sun 2. Volcanic activity 3. Solar output - amount of heat the sun gives off |
Human factors that affect climate change ? | 1. Burning fossil fuels 2. Cement production 3. Deforestation 4. Farming |
Environmental effects of climate change | Coastal erosion will increase Glaciers and ice sheets are melting Sea levels are rising |
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