12557622
Description
Flashcards by Megan Kemp, updated more than 1 year ago
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Created by Megan Kemp
over 8 years ago
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| Question | Answer |
| 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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